Trying another docker file

.github/workflows/build_and_test.yml

@@ -38,9 +38,9 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Build Sphinx documentation
-      uses: josh146/sphinx-action@master
+      uses: Queens-Physics/sphinx-action@master
       with:
-        pre-build-command: "python -m pip install --upgrade sphinx m2r2 sphinx_rtd_theme &&  python -m pip install -r requirements.txt & python -m pip install ."
+        pre-build-command: "python -m pip install sphinx m2r2 sphinx_rtd_theme==1.3.0 &&  python -m pip install -r requirements.txt & python -m pip install ."
         docs-folder: "docs/"
     # Publish built docs to gh-pages branch.
     # ===============================