[Feature Contribution]: Automatically remove "Ready for review" label on closed PRs or Issues

[danuw]

What happened?

Create a workflow to automatically remove "Ready for review" label on closed PRs or Issues
so that ready for review only surface items that are relevant

Code of Conduct

• I agree to follow this project's Code of Conduct

Feature Commitment

• I commit to contributing this feature as a PR and working with the GSF to merge this feature into the Carbon Aware SDK.

[github-actions]

This issue has not had any activity in 120 days. Please review this issue and ensure it is still relevant. If no more activity is detected on this issue for the next 20 days, it will be closed automatically.

[github-actions]

This issue has not had any activity in 120 days. Please review this issue and ensure it is still relevant. If no more activity is detected on this issue for the next 20 days, it will be closed automatically.

[github-actions]

This issue has not had any activity for too long. If you believe this issue has been closed in error, please contact an administrator to re-open, or if absolutly relevant and necessary, create a new issue referencing this one.