.github: Use actions/deploy-pages to deploy docs

.github/workflows/nix-github-actions.yml

@@ -91,24 +91,33 @@ jobs:
     steps:
       - run: true
 
+  build-pages:
+    runs-on: ubuntu-latest
+    needs: collect
+    steps:
+      - uses: cachix/install-nix-action@v30
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
+      - uses: cachix/cachix-action@v15
+        with:
+          name: adisbladis
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+      - uses: actions/[email protected]
+      - name: Run build
+        run: nix build -L '.#doc'
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: ./result
+
   deploy-pages:
     if: github.ref == 'refs/heads/master'
+    needs: build-pages
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
     runs-on: ubuntu-latest
-    needs: collect
     steps:
-    - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v30
-      with:
-        github_access_token: ${{ secrets.GITHUB_TOKEN }}
-    - uses: cachix/cachix-action@v15
-      with:
-        name: adisbladis
-        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
-    - name: Run build
-      run: nix build -L .#doc
-    - name: Deploy
-      uses: peaceiris/actions-gh-pages@v4
-      with:
-        github_token: ${{ secrets.GITHUB_TOKEN }}
-        publish_dir: ./result
-        force_orphan: true
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4