chore(deps): Bump actions/upload-artifact from 6.0.0 to 7.0.0

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 6.0.0 to 7.0.0.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v6.0.0...v7.0.0)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/dotnet-ci.yml

@@ -80,7 +80,7 @@ jobs:
         run: cat coverage/SummaryGithub.md >> $GITHUB_STEP_SUMMARY
 
       - name: Upload Cobertura coverage report artifact
-        uses: actions/upload-artifact@v6.0.0
+        uses: actions/upload-artifact@v7.0.0
         with:
           name: cobertura.xml
           path: coverage/cobertura.xml