build: add setup-java to use java 17.

.github/workflows/build.yml

@@ -24,6 +24,11 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
+    - uses: actions/setup-java@v2
+      with:
+        distribution: 'temurin'
+        java-version: '17'
+        cache: 'gradle'
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
     - name: cache gradle dependencies
@@ -36,4 +41,4 @@ jobs:
         restore-keys: |
           ${{ runner.os }}-gradle-
     - name: Run Tests
-      run: ./gradlew check
+      run: ./gradlew check