Bump svenstaro/upload-release-action from 2.7.0 to 2.9.0

Bumps [svenstaro/upload-release-action](https://github.com/svenstaro/upload-release-action) from 2.7.0 to 2.9.0.
- [Release notes](https://github.com/svenstaro/upload-release-action/releases)
- [Changelog](https://github.com/svenstaro/upload-release-action/blob/master/CHANGELOG.md)
- [Commits](svenstaro/upload-release-action@2.7.0...2.9.0)

---
updated-dependencies:
- dependency-name: svenstaro/upload-release-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/dotnet.yml

@@ -124,7 +124,7 @@ jobs:
           name: nugets
 
       - name: Upload to stable release
-        uses: svenstaro/upload-release-action@2.7.0
+        uses: svenstaro/upload-release-action@2.9.0
         with:
           repo_token: ${{ secrets.GITHUB_TOKEN }}
           file: nugets