Release prep v4.2.0

[github-actions[bot]]

Automated release-prep through pdk-templates from commit 83f237c95265bb37957b4eafb6223c3f51ae4994. Please verify before merging:

• [ ] last nightly run is green
• [ ] Changelog is readable and has no unlabeled pull requests
• [ ] Ensure the changelog version and metadata version match