Doc: build the site without pulling the dev dependencies (#711)

.github/workflows/docs.yaml

@@ -35,34 +35,17 @@ jobs:
       MOZ_HEADLESS: 1
       DISPLAY: ":99.0"
     steps:
-      - uses: actions/checkout@v3
+      - uses: holoviz-dev/holoviz_tasks/install@v0.1a19
         with:
-          fetch-depth: "100"
-      - uses: conda-incubator/setup-miniconda@v2
-        with:
-          miniconda-version: "latest"
-      - name: Fetch unshallow
-        run: git fetch --prune --tags --unshallow -f
+          name: Documentation
+          python-version: "3.10"
+          channels: pyviz,conda-forge,nodefaults
+          envs: "-o doc -o examples_extra"
+          cache: true
+          conda-update: true
       - name: Set output
         id: vars
         run: echo "tag=${GITHUB_REF#refs/*/}" >> $GITHUB_OUTPUT
-      - name: conda setup
-        run: |
-          conda create -n test-environment
-          conda activate test-environment
-          conda config --env --append channels pyviz/label/dev --append channels bokeh --append channels conda-forge
-          conda config --env --remove channels defaults
-          conda config --env --set channel_priority strict
-          conda config --env --show-sources
-          conda install python=3.9 pyctdev
-      - name: doit develop_install
-        run: |
-          conda activate test-environment
-          doit develop_install -o doc -o examples_extra
-      - name: doit env_capture
-        run: |
-          conda activate test-environment
-          doit env_capture
       - name: download data
         run: |
           conda activate test-environment