Revert "Update jekyll-gh-pages.yml" (#2154)

Author: gino-m

.github/workflows/jekyll-gh-pages.yml

@@ -1,3 +1,17 @@
+# Copyright 2025 The Ground Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # Sample workflow for building and deploying a Jekyll site to GitHub Pages
 name: Deploy Jekyll with GitHub Pages dependencies preinstalled
 
@@ -33,7 +47,7 @@ jobs:
       - name: Build with Jekyll
         uses: actions/jekyll-build-pages@v1
         with:
-          source: ./docs
+          source: ./
           destination: ./_site
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3
@@ -48,6 +62,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/upload-pages-artifact@v3
-        with:
-          path: ./_site
+        uses: actions/deploy-pages@v4