Update actions/setup-java action to v2 (#43)

* Update actions/setup-java action to v2

* adds OOTB cache

Co-authored-by: Renovate Bot <bot@renovateapp.com>
Co-authored-by: Raja Dilip Kolli <rajadileepkolli@users.noreply.github.com>

Author: 3 people

.github/dependabot.yml

@@ -17,9 +17,11 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Set up JDK 11
-      uses: actions/setup-java@v1
+      uses: actions/setup-java@v2.3.1
       with:
         java-version: 11
+        distribution: 'adopt'
+        cache: 'gradle'
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
     - name: Build with Gradle