feat: Add dependabot to project

[mateusoliveira43]

Signed-off-by: Mateus Oliveira msouzaol@redhat.com

Describe the behavior changes introduced in this PR

Let dependabot update github actions for us.

Linked Issues

resolves #827

Testing Instructions

After we close the PR, we need to enable it, and then it will start working.

[mpryc]

@mateusoliveira43 could you please describe what that bot will be doing? E.g. proposing new PRs with updated github action versions or merge new versions to the codebase? Will this PR need review etc?

I am also wondering here if prow requires adding that bot as reviewer to adjust branch protection rules.

[mateusoliveira43]

@mateusoliveira43 could you please describe what that bot will be doing? E.g. proposing new PRs with updated github action versions or merge new versions to the codebase? Will this PR need review etc?

I am also wondering here if prow requires adding that bot as reviewer to adjust branch protection rules.

It will opens PR, like in this example and them we merge if we want, or after we change something.

I did not have to do anything more than creating the dependabot.yml file and enabling it on settings for my personal project. I think we can see how it does without adding it, and if we need, we add it later.

[mateusoliveira43]

/retest

[mateusoliveira43]

/retest

[mateusoliveira43]

/retest

[openshift-ci]

@mateusoliveira43: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/4.8-e2e-openshift	cc47dc8	link	false	/test 4.8-e2e-openshift

Full PR test history. Your PR dashboard.

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[mpryc]

/lgtm

[openshift-ci]

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