Add GitHub Actions repository for the Modernisation Platform

[sukeshreddyg]

A reference to the issue / Description of it

This PR introduces a new repository for GitHub Actions related to the Modernisation Platform. These actions are designed to streamline and enhance workflows across projects within the platform. #7109

How does this PR fix the problem?

Adds the repository

How has this been tested?

Please describe the tests that you ran and provide instructions to reproduce.

{Please write here}

Deployment Plan / Instructions

Will this deployment impact the platform and / or services on it?

{Please write here}

Checklist (check x in [ ] of list items)

• I have performed a self-review of my own code
• All checks have passed
• I have made corresponding changes to the documentation
• Plan and discussed how it should be deployed to PROD (If needed)

Additional comments (if any)

{Please write here}

[github-actions]

Trivy Scan Success

Show Output

```hcl

---

Trivy will check the following folders:
terraform/github

---

Running Trivy in terraform/github
2025-01-14T13:35:51Z INFO [vulndb] Need to update DB
2025-01-14T13:35:51Z INFO [vulndb] Downloading vulnerability DB...
2025-01-14T13:35:51Z INFO [vulndb] Downloading artifact... repo="public.ecr.aws/aquasecurity/trivy-db:2"
2025-01-14T13:35:54Z INFO [vulndb] Artifact successfully downloaded repo="public.ecr.aws/aquasecurity/trivy-db:2"
2025-01-14T13:35:54Z INFO [vuln] Vulnerability scanning is enabled
2025-01-14T13:35:54Z INFO [misconfig] Misconfiguration scanning is enabled
2025-01-14T13:35:54Z INFO [misconfig] Need to update the built-in checks
2025-01-14T13:35:54Z INFO [misconfig] Downloading the built-in checks...
160.80 KiB / 160.80 KiB [------------------------------------------------------] 100.00% ? p/s 100ms2025-01-14T13:35:54Z INFO [secret] Secret scanning is enabled
2025-01-14T13:35:54Z INFO [secret] If your scanning is slow, please try '--scanners vuln' to disable secret scanning
2025-01-14T13:35:54Z INFO [secret] Please see also https://aquasecurity.github.io/trivy/v0.57/docs/scanner/secret#recommendation for faster secret detection
2025-01-14T13:35:55Z INFO [terraform scanner] Scanning root module file_path="."
2025-01-14T13:35:55Z WARN [terraform parser] Variable values was not found in the environment or variable files. Evaluating may not work correctly. module="root" variables="github_token"
2025-01-14T13:35:55Z ERROR [terraform evaluator] Failed to expand block. Invalid "for-each" argument. Must be known and iterable. block="module.contributor-access" value="cty.NilVal"
2025-01-14T13:35:56Z ERROR [terraform evaluator] Failed to expand block. Invalid "for-each" argument. Must be known and iterable. block="module.modernisation-platform-environments.github_actions_secret.default" value="cty.NilVal"
2025-01-14T13:35:56Z ERROR [terraform evaluator] Failed to expand block. Invalid "for-each" argument. Must be known and iterable. block="module.modernisation-platform-instance-scheduler.github_actions_secret.default" value="cty.NilVal"
2025-01-14T13:35:56Z ERROR [terraform evaluator] Failed to expand block. Invalid "for-each" argument. Must be known and iterable. block="module.modernisation-platform-terraform-aws-chatbot.github_actions_secret.default" value="cty.NilVal"
2025-01-14T13:35:57Z ERROR [terraform evaluator] Failed to expand block. Invalid "for-each" argument. Must be known and iterable. block="module.modernisation-platform-terraform-aws-data-firehose.github_actions_secret.default" value="cty.NilVal"
2025-01-14T13:35:57Z ERROR [terraform evaluator] Failed to expand block. Invalid "for-each" argument. Must be known and iterable. block="module.modernisation-platform-terraform-dns-certificates.github_actions_secret.default" value="cty.NilVal"
2025-01-14T13:35:57Z ERROR [terraform evaluator] Failed to expand block. Invalid "for-each" argument. Must be known and iterable. block="module.modernisation-platform-terraform-member-vpc.github_actions_secret.default" value="cty.NilVal"
2025-01-14T13:35:57Z ERROR [terraform evaluator] Failed to expand block. Invalid "for-each" argument. Must be known and iterable. block="module.modernisation-platform-terraform-module-template.github_actions_secret.default" value="cty.NilVal"
2025-01-14T13:35:57Z ERROR [terraform evaluator] Failed to expand block. Invalid "for-each" argument. Must be known and iterable. block="module.modernisation-platform-terraform-pagerduty-integration.github_actions_secret.default" value="cty.NilVal"
2025-01-14T13:35:57Z INFO [terraform executor] Ignore finding rule="aws-iam-no-user-attached-policies" range="testing-ci.tf:4-9"
2025-01-14T13:35:57Z INFO Number of language-specific files num=0
2025-01-14T13:35:57Z INFO Detected config files num=3
trivy_exitcode=0

</details> #### `Checkov Scan` Success
<details><summary>Show Output</summary>

```hcl

*****************************

Checkov will check the following folders:
terraform/github

*****************************

Running Checkov in terraform/github
Excluding the following checks: CKV_GIT_1,CKV_AWS_126,CKV2_AWS_38,CKV2_AWS_39
terraform scan results:

Passed checks: 99, Failed checks: 0, Skipped checks: 107


checkov_exitcode=0

CTFLint Scan Success

Show Output

*****************************

Setting default tflint config...
Running tflint --init...
Installing "terraform" plugin...
Installed "terraform" (source: github.com/terraform-linters/tflint-ruleset-terraform, version: 0.9.1)
tflint will check the following folders:
terraform/github

*****************************

Running tflint in terraform/github
Excluding the following checks: terraform_unused_declarations
tflint_exitcode=0

Trivy Scan Success

Show Output

*****************************

Trivy will check the following folders:
terraform/github

*****************************

Running Trivy in terraform/github
2025-01-14T13:35:51Z	INFO	[vulndb] Need to update DB
2025-01-14T13:35:51Z	INFO	[vulndb] Downloading vulnerability DB...
2025-01-14T13:35:51Z	INFO	[vulndb] Downloading artifact...	repo="public.ecr.aws/aquasecurity/trivy-db:2"
2025-01-14T13:35:54Z	INFO	[vulndb] Artifact successfully downloaded	repo="public.ecr.aws/aquasecurity/trivy-db:2"
2025-01-14T13:35:54Z	INFO	[vuln] Vulnerability scanning is enabled
2025-01-14T13:35:54Z	INFO	[misconfig] Misconfiguration scanning is enabled
2025-01-14T13:35:54Z	INFO	[misconfig] Need to update the built-in checks
2025-01-14T13:35:54Z	INFO	[misconfig] Downloading the built-in checks...
160.80 KiB / 160.80 KiB [------------------------------------------------------] 100.00% ? p/s 100ms2025-01-14T13:35:54Z	INFO	[secret] Secret scanning is enabled
2025-01-14T13:35:54Z	INFO	[secret] If your scanning is slow, please try '--scanners vuln' to disable secret scanning
2025-01-14T13:35:54Z	INFO	[secret] Please see also https://aquasecurity.github.io/trivy/v0.57/docs/scanner/secret#recommendation for faster secret detection
2025-01-14T13:35:55Z	INFO	[terraform scanner] Scanning root module	file_path="."
2025-01-14T13:35:55Z	WARN	[terraform parser] Variable values was not found in the environment or variable files. Evaluating may not work correctly.	module="root" variables="github_token"
2025-01-14T13:35:55Z	ERROR	[terraform evaluator] Failed to expand block. Invalid "for-each" argument. Must be known and iterable.	block="module.contributor-access" value="cty.NilVal"
2025-01-14T13:35:56Z	ERROR	[terraform evaluator] Failed to expand block. Invalid "for-each" argument. Must be known and iterable.	block="module.modernisation-platform-environments.github_actions_secret.default" value="cty.NilVal"
2025-01-14T13:35:56Z	ERROR	[terraform evaluator] Failed to expand block. Invalid "for-each" argument. Must be known and iterable.	block="module.modernisation-platform-instance-scheduler.github_actions_secret.default" value="cty.NilVal"
2025-01-14T13:35:56Z	ERROR	[terraform evaluator] Failed to expand block. Invalid "for-each" argument. Must be known and iterable.	block="module.modernisation-platform-terraform-aws-chatbot.github_actions_secret.default" value="cty.NilVal"
2025-01-14T13:35:57Z	ERROR	[terraform evaluator] Failed to expand block. Invalid "for-each" argument. Must be known and iterable.	block="module.modernisation-platform-terraform-aws-data-firehose.github_actions_secret.default" value="cty.NilVal"
2025-01-14T13:35:57Z	ERROR	[terraform evaluator] Failed to expand block. Invalid "for-each" argument. Must be known and iterable.	block="module.modernisation-platform-terraform-dns-certificates.github_actions_secret.default" value="cty.NilVal"
2025-01-14T13:35:57Z	ERROR	[terraform evaluator] Failed to expand block. Invalid "for-each" argument. Must be known and iterable.	block="module.modernisation-platform-terraform-member-vpc.github_actions_secret.default" value="cty.NilVal"
2025-01-14T13:35:57Z	ERROR	[terraform evaluator] Failed to expand block. Invalid "for-each" argument. Must be known and iterable.	block="module.modernisation-platform-terraform-module-template.github_actions_secret.default" value="cty.NilVal"
2025-01-14T13:35:57Z	ERROR	[terraform evaluator] Failed to expand block. Invalid "for-each" argument. Must be known and iterable.	block="module.modernisation-platform-terraform-pagerduty-integration.github_actions_secret.default" value="cty.NilVal"
2025-01-14T13:35:57Z	INFO	[terraform executor] Ignore finding	rule="aws-iam-no-user-attached-policies" range="testing-ci.tf:4-9"
2025-01-14T13:35:57Z	INFO	Number of language-specific files	num=0
2025-01-14T13:35:57Z	INFO	Detected config files	num=3
trivy_exitcode=0

[github-actions]

Terraform Plan Summary

github
Plan: 4 to add, 0 to change, 0 to destroy.

[mikereiddigital]

lg2m

[github-actions]

Terraform Plan Summary

github
Plan: 62 to add, 1 to change, 0 to destroy.