Fix CI?

.github/workflows/site.yaml

@@ -14,17 +14,18 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v4
         with:
-         python-version: 3.9
+         python-version: 3.11
          architecture: x64
 
       - uses: PyO3/maturin-action@v1
         with:
           command: develop
           args: -E all
+          before-script-linux: python3 -m venv .venv && source .venv/bin/activate
 
       # Inspired by https://blog.elmah.io/deploying-a-mkdocs-documentation-site-with-github-actions/
       - name: Install & deploy
         run: |
-          pip install target/wheels/data_generation-0.1.0-cp311-cp311-manylinux_2_34_x86_64.whl[mkdocs]
+          source .venv/bin/activate
           mkdocs gh-deploy --force --clean --verbose