docs: Don't perform editable pip installs in workflows

.github/workflows/docs.yaml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/setup-python@v4
       - name: Install dependencies
         run: |
-          pip install -e .[docs]
+          pip install .[docs]
       - name: Sphinx build
         working-directory: ${{ github.workspace }}/docs
         run: |