Release prep v6.1.0

[github-actions[bot]]

Automated release-prep through pdk-templates from commit 6c697bce062467cc91642f37144f5781a9537a8a. Please verify before merging:

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