🛠️ Bump actions/upload-pages-artifact from 2 to 3 (#848)

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] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/deploy.yml

@@ -146,7 +146,7 @@ jobs:
         cp -f api.html build/html/main/doc/api/python_api/ # restore artifact html
 
     - name: Upload pages artifact
-      uses: actions/upload-pages-artifact@v2
+      uses: actions/upload-pages-artifact@v3
       if: github.repository_owner == 'ros-planning'
       with:
         path: build/html