Bump actions/upload-pages-artifact from 2 to 3

Bumps [actions/upload-pages-artifact](https://github.com/actions/upload-pages-artifact) from 2 to 3.
- [Release notes](https://github.com/actions/upload-pages-artifact/releases)
- [Commits](actions/upload-pages-artifact@v2...v3)

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

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

.github/workflows/dotnet.yml

@@ -74,7 +74,7 @@ jobs:
 
       - name: Upload Documentation
         if: success() && github.event_name != 'pull_request' && (github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags/v'))
-        uses: actions/upload-pages-artifact@v2
+        uses: actions/upload-pages-artifact@v3
         with:
           name: github-pages
           path: "docs/_site/"