ci: setup-java v2 (#1271)

Author: sullis

.github/workflows/continuous-integration.yml

@@ -20,9 +20,10 @@ jobs:
         uses: gradle/wrapper-validation-action@v1
 
       - name: Set up Java 11
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
           java-version: 11
+          distribution: 'zulu'
 
       - name: Set up Gradle cache
         uses: actions/cache@v1

.github/workflows/pr-check.yml

@@ -21,9 +21,10 @@ jobs:
         uses: gradle/wrapper-validation-action@v1
 
       - name: Set up Java 11
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
           java-version: 11
+          distribution: 'zulu'
 
       - name: Set up Gradle cache
         uses: actions/cache@v1

.github/workflows/release-code.yml

@@ -16,9 +16,10 @@ jobs:
       - uses: gradle/wrapper-validation-action@v1
 
       - name: Set up Java 11
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
           java-version: 11
+          distribution: 'zulu'
 
       - name: Build library with Gradle
         run: ./gradlew clean build