fix CI

.github/workflows/documentation.yaml

@@ -10,9 +10,12 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v3
+        with:
+          cache: 'pip'
+          cache-dependency-path: 'pyproject.toml'
       - name: Install dependencies
         run: |
-          pip install -r requirements-dev.txt
+          pip install --editable .[DEV]
       - name: Sphinx build
         run: |
           sphinx-build docs/source docs/build/html