Release prep v2.3.1

[github-actions[bot]]

Automated release-prep through pdk-templates from commit 813f1bfaec2616c996490ab66f3c24d52d4ad14d. 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