fix

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

@@ -22,12 +22,28 @@ concurrency:
   cancel-in-progress: false
 
 jobs:
-  # Build job
-  build:
+  prepare:
+    name: Prepare docs
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          distribution: 'zulu'
+          java-version: 17
+          cache: 'gradle'
+      - uses: gradle/gradle-build-action@v2
+        with:
+          gradle-home-cache-cleanup: true
+      - name: Build docs
+        run: ./gradlew releaseDocs
+
+  # Build job
+  build:
+    runs-on: ubuntu-latest
+    needs: prepare
+    steps:
       - name: Setup Pages
         uses: actions/configure-pages@v4
       - name: Build with Jekyll