Release prep v3.0.0

[github-actions[bot]]

Automated release-prep through pdk-templates from commit 3eec18d57ecb9dea709d9de83d14ee8278a8bb50. 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