build(deps): bump actions/upload-artifact from v2.2.0 to v2.2.1 (GH-23583)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from v2.2.0 to v2.2.1.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v2.2.0...726a6dcd0199f578459862705eed35cda05af50b)

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

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

.github/workflows/doc.yml

@@ -38,7 +38,7 @@ jobs:
     - name: 'Build documentation'
       run: xvfb-run make -C Doc/ PYTHON=../python SPHINXOPTS="-q -W --keep-going -j4" doctest html
     - name: 'Upload'
-      uses: actions/upload-artifact@v2.2.0
+      uses: actions/upload-artifact@v2.2.1
       with:
         name: doc-html
         path: Doc/build/html