feat(feedback): Add feedback plugin annotations to catalog entities

[yashoswalyo]

Explain the feature/fix

These annotations enable feedback plugin integration on backstage

Does this PR introduce a breaking change

No

Ready-for-merge Checklist

• [x] Expected files: all files in this pull request are related to one feature request or issue (no stragglers)?
• [ ] Does the change have appropriate unit tests?
• [x] Did tests pass?
• [ ] Did you update or add any necessary documentation (README.md, WHY.md, etc.)?
• [ ] Was this feature demoed and the design review approved?