Update Python version when building docs

.github/workflows/documentation.yml

@@ -11,6 +11,8 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v3
+        with:
+          python-version: "3.10.3"
       - name: Install dependencies
         run: |
           pip install -r docs_requirements.txt