Add container security scanning

[cdivitotawela]

PR description

Container security scanning workflow added. This runs on schedule everyday. Also possible to run on-demand for a given image tag. This replace the CircleCI job running container scan daily. Schedule job only runs for the tag develop.

Fixed Issue(s)

fixes #7154

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• Checked out our contribution guidelines?
• Considered documentation and added the doc-change-required label to this PR if updates are required.
• Considered the changelog and included an update if required.
• For database changes (e.g. KeyValueSegmentIdentifier) considered compatibility and performed forwards and backwards compatibility tests

Locally, you can run these tests to catch failures early:

• unit tests: ./gradlew build
• acceptance tests: ./gradlew acceptanceTest
• integration tests: ./gradlew integrationTest
• reference tests: ./gradlew ethereum:referenceTests:referenceTests

[usmansaleem]

LGTM

[joshuafernandes]

LGTM

[macfarla]

should this PR also remove the CI job, or will we do that as a separate task @cdivitotawela (if the latter we should not close the issue with this PR)

[jflo]

fixes #3927 and #7126