Upgrade to plugin-plugin 20.4.0

.github/workflows/nebula.yml

@@ -26,10 +26,18 @@ jobs:
     name: Gradle Build without Publish
     steps:
       - uses: actions/checkout@v1
+      - name: Set up JDK 8
+        uses: actions/setup-java@v2
+        with:
+          distribution: 'zulu'
+          java-version: '8'
+          java-package: jdk
       - name: Setup jdk
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
+          distribution: 'zulu'
           java-version: ${{ matrix.java }}
+          java-package: jdk
       - uses: actions/cache@v1
         id: gradle-cache
         with:
@@ -46,6 +54,8 @@ jobs:
             - ${{ runner.os }}-gradlewrapper-
       - name: Gradle build
         run: ./gradlew --info --stacktrace build
+        env:
+          JDK_VERSION_FOR_TESTS: ${{ matrix.java }}
   publish:
     if: startsWith(github.ref, 'refs/tags/v')
     needs: validation

build.gradle

@@ -15,7 +15,7 @@
  */
 
 plugins {
-    id 'com.netflix.nebula.plugin-plugin' version '20.3.0'
+    id 'com.netflix.nebula.plugin-plugin' version '20.4.0'
 }
 
 description 'Gradle plugin to ease use of ivy-publish and maven-publish'
@@ -257,8 +257,6 @@ gradlePlugin {
     }
 }
 
-targetCompatibility = JavaVersion.VERSION_1_8
-sourceCompatibility = JavaVersion.VERSION_1_8
 
 tasks.withType(Test).configureEach {
     maxParallelForks = Runtime.runtime.availableProcessors().intdiv(2) ?: 1