Improved java setup.

Author: javadev

.github/workflows/maven.yml

@@ -19,9 +19,11 @@ jobs:
       with:
         fetch-depth: 0
     - name: Set up JDK 11
-      uses: actions/setup-java@v1
+      uses: actions/setup-java@v2
       with:
-        java-version: 11
+        distribution: 'temurin'
+        java-version: '11'
+        cache: 'gradle'
     - uses: actions/cache@v1
       with:
         path: ~/.gradle/caches