Improve and speedup of CI build (allegro#441)

* Simplify CI and caching

* Remove unnecessary validation

.github/workflows/ci.yml

@@ -10,25 +10,12 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - uses: gradle/wrapper-validation-action@v1
-
       - name: Set up JDK 1.8
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
-          java-version: 1.8
-
-      - name: Grant execute permission for gradlew
-        run: chmod +x gradlew
-
-      - name: Cache Gradle packages
-        uses: actions/cache@v2
-        with:
-          path: |
-            ~/.gradle/caches
-            ~/.gradle/wrapper
-          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
-          restore-keys: |
-            ${{ runner.os }}-gradle-
+            distribution: 'temurin'
+            java-version: '8'
+            cache: 'gradle'
 
       - name: Test with Gradle
         run: ./gradlew --no-daemon --continue check
@@ -38,8 +25,3 @@ jobs:
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v1
-
-      - name: Cleanup Gradle Cache
-        run: |
-          rm -f ~/.gradle/caches/modules-2/modules-2.lock
-          rm -f ~/.gradle/caches/modules-2/gc.properties