upgrading github action to JDK 17

.github/workflows/gradle.yml

@@ -1,6 +1,3 @@
-# This workflow will build a Java project with Gradle
-# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-gradle
-
 name: Java CI with Gradle
 
 on:
@@ -13,20 +10,22 @@ on:
 
 jobs:
   build:
+    strategy:
+      matrix:
+        os: [ ubuntu-latest, windows-latest, macos-latest ]
+        java: [ 17 ]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+        with: { fetch-depth: 0 }
+      - name: Set up JDK ${{ matrix.java }}
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'oracle'
+          java-version: ${{ matrix.java }}
 
-    runs-on: ubuntu-latest
+      - name: Grant execute permission for gradlew on BFF repo
+        run: chmod +x gradlew
 
-    steps:
-    - uses: actions/checkout@v2
-      with:
-        path: main
-    - name: Set up JDK 1.8
-      uses: actions/setup-java@v1
-      with:
-        java-version: 1.8
-    - name: Grant execute permission for gradlew
-      run: chmod +x gradlew
-      working-directory: main
-    - name: Build with Gradle
-      run: ./gradlew build
-      working-directory: main
+      - name: Build BFF project with Gradle
+        run: ./gradlew build