chore(release): prepare release version 2.3.0

[thepetk]

What does this PR do?

Following the same process of #1332, after this PR is merged the main branch will be ported over to v2.3.x branch and a release will be made

Which issue(s) does this PR fix

fixes #1567

PR acceptance criteria

Testing and documentation do not need to be complete in order for this PR to be approved. We just need to ensure tracking issues are opened.

• Open new test/doc issues under the devfile/api repo
• Check each criteria if:
• There is a separate tracking issue. Add the issue link under the criteria
  or
• test/doc updates are made as part of this PR
• If unchecked, explain why it's not needed

• Unit/Functional tests

• QE Integration test

• Documentation

• Client Impact

How to test changes / Special notes to the reviewer

[yangcao77]

lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: thepetk, yangcao77

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