feat: deploy PR preview to gh pages

Author: mattwang44

.github/workflows/ci.yml

@@ -1,11 +1,16 @@
 name: build
+concurrency: preview-${{ github.ref }}
+
+permissions:
+  contents: write
+  pull-requests: write
 
 on:
   pull_request:
 
 jobs:
   ci:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
 
@@ -19,5 +24,14 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v6
 
-      - name: Validate
+      - name: Build HTML Docs
         run: VERSION=${{ github.event.repository.default_branch }} JOBS=4 MODE=html make all
+
+      - name: Deploy PR Doc Preview
+        uses: rossjrw/pr-preview-action@v1
+        with:
+          source-dir: ../cpython/Doc/build/html
+          token: ${{ secrets.GITHUB_TOKEN }}
+          preview-branch: gh-pages
+          umbrella-dir: pr-preview
+          action: auto

.github/workflows/deploy-gh-page.yml

@@ -36,17 +36,17 @@ jobs:
       - name: Sync with CPython
         run: make clone merge rm_cpython wrap
 
-      - uses: tibdex/github-app-token@v2
-        id: generate-token
+      - uses: actions/create-github-app-token@v2
+        id: app-token
         with:
-          app_id: ${{ secrets.APP_ID }}
-          private_key: ${{ secrets.APP_PRIVATE_KEY }}
+          app-id: ${{ secrets.APP_ID }}
+          private-key: ${{ secrets.APP_PRIVATE_KEY }}
 
       - name: Create Pull Request
         id: cpr
         uses: peter-evans/create-pull-request@v6
         with:
-          token: ${{ steps.generate-token.outputs.token }}
+          token: ${{ steps.app-token.outputs.token }}
           commit-message: sync with cpython ${{ env.LATEST_COMMIT_ID }}
           committer: GitHub <[email protected]>
           author: github-actions[bot] <github-actions[bot]@users.noreply.github.com>