Updated files with git_helper.

Author: domdfcoding

.github/workflows/docs_test_action.yml

@@ -10,4 +10,5 @@ jobs:
       - uses: actions/checkout@v1
       - uses: ammaraskar/sphinx-action@master
         with:
+          pre-build-command: python -m pip install --upgrade -r requirements.txt
           docs-folder: "doc-source/"