bpo-44490: Improve typing module compatibility with types.Union (GH-27048) (#27222)

(cherry picked from commit bf89ff96e6ba21bb52b8597b5e51e8ffc57e6589)

Co-authored-by: Yurii Karabas <[email protected]>

Author: dependabot[bot]

.github/workflows/doc.yml

@@ -39,7 +39,7 @@ jobs:
     - name: 'Build documentation'
       run: xvfb-run make -C Doc/ PYTHON=../python SPHINXOPTS="-q -W --keep-going -j4" doctest html suspicious
     - name: 'Upload'
-      uses: actions/upload-artifact@v2.2.2
+      uses: actions/upload-artifact@v2.3.1
       with:
         name: doc-html
         path: Doc/build/html