Add release filtering to work items list
What does this MR do and why?
feat: Add release filtering to work items list
- Add release token with fetchReleases and caching support
- Update GraphQL queries with release filter parameters
- Add releases_path helper for project contexts
- Include comprehensive test coverage
- Restrict to project contexts only (no group support)
Changelog: added
References
Relates to #556197 (closed) #536876 (closed)