Fix C# language version checks for `[ObservableProperty]`
Merged
SE
1y ago+258+258+012345678901234567890123456789-54-54-01234567890123456789
This PR fixes the C# language checks when using partial properties, which need the new Roslyn version.
PR Checklist
- Created a feature/dev branch in your fork (vs. submitting directly from a commit on main)
- Based off latest main branch of toolkit
- PR doesn't include merge commits (always rebase on top of our main, if needed)
- Tested code with current supported SDKs
- Tests for the changes have been added (for bug fixes / features) (if applicable)
- Header has been added to all new source files (run build/UpdateHeaders.bat)
- Contains NO breaking changes
- Every new API (including internal ones) has full XML docs
- Code follows all style conventions