build(deps): bump actions/upload-pages-artifact from 1 to 2 (#2248)

* Bumps [actions/upload-pages-artifact](https://github.com/actions/upload-pages-artifact) from 1 to 2.
- [Release notes](https://github.com/actions/upload-pages-artifact/releases)
- [Commits](actions/upload-pages-artifact@v1...v2)

---
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/docs.yml

@@ -81,8 +81,14 @@ jobs:
         # is not empty
         [ "$(ls -A docs/_build/html/lite)" ]
 
+    - name: Fix permissions if needed
+      run: |
+        chmod -c -R +rX "docs/_build/html/" | while read line; do
+          echo "::warning title=Invalid file permissions automatically fixed::$line"
+        done
+
     - name: Upload artifact
-      uses: actions/upload-pages-artifact@v1
+      uses: actions/upload-pages-artifact@v2
       with:
         path: 'docs/_build/html'