Release prep v3.0.0

[github-actions[bot]]

Automated release-prep through pdk-templates from commit d6c5c3b34c15a953332d1d242d839c7347aa15e8. 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