update workdlow

.github/workflows/generate-api-client.yml

@@ -20,6 +20,12 @@ jobs:
         with:
           node-version: '22'
 
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '21'
+
       - name: Install dependencies
         run: npm install