Switch doc generation to official GitHub pages Actions

.github/workflows/doc.yml

@@ -1,29 +1,42 @@
 name: Documentation
 
 on:
-  push:
-    branches:
-      - main
-    paths:
-      - "*.md"
-      - docs/**
   workflow_dispatch:
 
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow only one concurrent deployment, skipping runs queued between the run
+# in-progress and latest queued.
+# However, do NOT cancel in-progress runs as we want to allow these production
+# deployments to complete.
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
 jobs:
   build-doc:
     runs-on: ubuntu-latest
 
+    environment:
+      name: github-pages
+
     steps:
-      - uses: actions/checkout@v2
-      - uses: pdm-project/setup-pdm@v2
+      - uses: actions/checkout@v4
+      - uses: pdm-project/setup-pdm@v4
         with:
           python-version: 3.10.5
       - name: Build pages
         run: |
           pdm install --group doc
           cd docs && pdm run mkdocs build
-      - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
         with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./docs/site
+          path: './docs/site'
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4