Add API support for getting description templates
What does this MR do?
This MR extends the existing project templates API to also support getting issue and merge request templates.
Screenshots
(none)
Does this MR meet the acceptance criteria?
Conformity
- Changelog entry
- Documentation (if required)
- Code review guidelines
- Merge request performance guidelines
- Style guides
- [-] Database guides
- Separation of EE specific content
Availability and Testing
- Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
- [-] Tested in all supported browsers
- [-] Informed Infrastructure department of a default or new setting change, if applicable per definition of done
Closes #23664 (closed)