Update actions/setup-java to v2

Author: tschuchortdev

.github/workflows/ci.yml

@@ -28,8 +28,9 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Set up JDK ${{ matrix.java }}
-      uses: actions/setup-java@v1
+      uses: actions/setup-java@v2
       with:
+        distribution: 'adopt'
         java-version: ${{ matrix.java }}
     - name: Cache Gradle packages
       uses: actions/cache@v2.1.5
@@ -55,8 +56,9 @@ jobs:
       - name: Gradle wrapper validation
         uses: gradle/wrapper-validation-action@v1
       - name: Set up JDK
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
+          distribution: 'adopt'
           java-version: ${{ matrix.java }}
       - name: Cache Gradle packages
         uses: actions/cache@v2.1.5
@@ -88,8 +90,9 @@ jobs:
         with:
           persist-credentials: false # without this, all access tokens set later on will be ignored
       - name: Set up JDK
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
+          distribution: 'adopt'
           java-version: 11
       - name: Cache Gradle packages
         uses: actions/cache@v2.1.5