[WIP] RHDH pre-submit and post-submit job for 1.2.x

[subhashkhileri]

Description

Please explain the changes you made here.

Which issue(s) does this PR fix

• Fixes #?

PR acceptance criteria

Please make sure that the following steps are complete:

• [ ] GitHub Actions are completed and successful
• [ ] Unit Tests are updated and passing
• [ ] E2E Tests are updated and passing
• [ ] Documentation is updated if necessary (requirement for new features)
• [ ] Add a screenshot if the change is UX/UI related

How to test changes / Special notes to the reviewer

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: Once this PR has been reviewed and has the lgtm label, please ask for approval from subhashkhileri. For more information see the Kubernetes Code Review Process.

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Needs approval from an approver in each of these files: - **[.ibm/OWNERS](https://github.com/janus-idp/backstage-showcase/blob/main/.ibm/OWNERS)** Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
1.4% Duplication on New Code

See analysis details on SonarCloud

[github-actions[bot]]

The image is available at: quay.io/janus-idp/backstage-showcase:pr-1310!