Update uibcdf/action-sphinx-docs-to-gh-pages and remove workaround

.github/workflows/docs.yml

@@ -31,10 +31,7 @@ jobs:
               run: |
                 python -m pip install -vv --no-build-isolation .
             - name: Running the Sphinx to gh-pages Action
-              # uses: uibcdf/[email protected]
-              # Workaround for bug about improper quoting of GitHub usernames with spaces:
-              # https://github.com/uibcdf/action-sphinx-docs-to-gh-pages/pull/8
-              uses: aeisenbarth/action-sphinx-docs-to-gh-pages@patch-1
+              uses: uibcdf/[email protected]
               with:
                   branch: master
                   dir_docs: docs