Release prep v8.2.0

[github-actions[bot]]

Automated release-prep through pdk-templates from commit b5387f1872ee46cc15b175a30b174832d62cb9a9. 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