Update Python version to 3.10 in documentation workflow

.github/workflows/documentation.yml

@@ -11,6 +11,8 @@ jobs:
  steps:
  - uses: actions/checkout@v3
  - uses: actions/setup-python@v3
+ with:
+ python-version: 3.10
  - name: Install dependencies
  run: |
  pip install -r docs/requirements.txt -r requirements.txt