Consolidate documentation workflow

.github/workflows/docs.yml

@@ -1,61 +1,11 @@
 name: Docs
-
 on:
   pull_request:
   push:
     branches: [main]
     tags:
       - '*'
   merge_group:
-
-env:
-  BUILD_GSL: true
-  COMMIT_EMAIL: ben.jeffery.well+adminbot@gmail.com
-  OWNER: tskit-dev
-  REPO: tstrait
-
 jobs:
-  build-deploy-docs:
-    name: Docs
-    runs-on: ubuntu-24.04
-    steps:
-      - name: Cancel Previous Runs
-        uses: styfle/cancel-workflow-action@0.12.1
-        with:
-          access_token: ${{ github.token }}
-
-      - uses: actions/checkout@v4.2.2
-        with:
-          submodules: true
-
-      - uses: actions/setup-python@v5.3.0
-        with:
-          python-version: "3.12"
-
-      - uses: actions/cache@v4.2.0
-        id: venv-cache
-        with:
-          path: venv
-          key: docs-venv-v1-${{ hashFiles('requirements/CI-docs/requirements.txt') }}
-
-      - name: Create venv and install deps
-        if: steps.venv-cache.outputs.cache-hit != 'true'
-        run: |
-          python -m venv venv
-          . venv/bin/activate
-          pip install --upgrade pip wheel
-          pip install -r requirements/CI-docs/requirements.txt
-
-      - name: Build Docs
-        run: |
-          . venv/bin/activate
-          cd docs
-          make
-
-      - name: Trigger docs site rebuild
-        if: github.ref == 'refs/heads/main'
-        run: |
-          curl -X POST https://api.github.com/repos/tskit-dev/tskit-site/dispatches \
-                    -H 'Accept: application/vnd.github.everest-preview+json' \
-                    -u AdminBot-tskit:${{ secrets.ADMINBOT_TOKEN }} \
-                    --data '{"event_type":"build-docs"}'
+  Docs:
+    uses: tskit-dev/.github/.github/workflows/docs-build-template.yml@main