ci: deploy vitepress site

Author: jmattheis

.github/workflows/main.yml

@@ -4,15 +4,35 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-node@v2
+      - uses: actions/checkout@v6
         with:
-          node-version: "16"
-      - uses: actions/checkout@v2.3.1
-      - run: (cd website && npm ci)
-      - run: (cd website && npm run format:test)
-      - run: (cd website && npm run build)
-      - uses: JamesIves/github-pages-deploy-action@4.1.4
-        if: github.ref == 'refs/heads/master'
+          fetch-depth: 0
+      - uses: actions/setup-node@v6
         with:
-          branch: gh-pages
-          folder: website/build/website
+          node-version: 25
+          cache: yarn
+          cache-dependency-path: yarn.lock
+      - run: |
+          yarn install --frozen-lockfile
+          yarn format:test
+          yarn build
+      - uses: actions/configure-pages@v5
+        if: github.event_name == 'push' && github.ref == 'refs/heads/master'
+      - uses: actions/upload-pages-artifact@v3
+        if: github.event_name == 'push' && github.ref == 'refs/heads/master'
+        with:
+          path: .vitepress/dist
+  deploy:
+    if: github.event_name == 'push' && github.ref == 'refs/heads/master'
+    needs: build
+    permissions:
+      pages: write
+      id-token: write
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+    - name: Deploy
+      id: deployment
+      uses: actions/deploy-pages@v4