Refactor Github Actions config.

Signed-off-by: Max Lambrecht <maxlambrecht@gmail.com>

.github/workflows/coverage.yml

@@ -0,0 +1,28 @@
+name: coverage
+
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  create-coverage:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK
+        uses: actions/setup-java@v2
+        with:
+          java-version: '16'
+          distribution: 'adopt'
+      - name: Generate and upload coverage report
+        env:
+          COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
+        run: ./gradlew build jacocoTestReport coveralls
+      - name: Cleanup Gradle Cache
+        # Remove some files from the Gradle cache, so they aren't cached by GitHub Actions.
+        # Restoring these files from a GitHub Actions cache might cause problems for future builds.
+        run: |
+          rm -f ~/.gradle/caches/modules-2/modules-2.lock
+          rm -f ~/.gradle/caches/modules-2/gc.properties

.github/workflows/gradle.yml

@@ -7,49 +7,13 @@ on:
     branches: [ main ]
 
 jobs:
-  build-test-and-coverage-on-linux:
 
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v2
-      - name: Set up JDK
-        uses: actions/setup-java@v2
-        with:
-          java-version: '16'
-          distribution: 'adopt'
-      - name: Cache Gradle packages
-        uses: actions/cache@v2
-        with:
-          path: |
-            ~/.gradle/caches
-            ~/.gradle/wrapper
-          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
-          restore-keys: |
-            ${{ runner.os }}-gradle-
-      - name: Build with Gradle and generate the artifacts
-        run: ./gradlew assemble test
-      - name: Generate and upload coverage report
-        env:
-          COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
-        run: ./gradlew jacocoTestReport coveralls
-      - uses: actions/upload-artifact@v2
-        with:
-          name: Package
-          path: build/libs
-      - name: Cleanup Gradle Cache
-        # Remove some files from the Gradle cache, so they aren't cached by GitHub Actions.
-        # Restoring these files from a GitHub Actions cache might cause problems for future builds.
-        run: |
-          rm -f ~/.gradle/caches/modules-2/modules-2.lock
-          rm -f ~/.gradle/caches/modules-2/gc.properties
-
-  test-on-linux:
+  build-and-test-on-linux:
 
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java-version: [ 8, 11 ]
+        java-version: [ 8, 11, 16 ]
 
     steps:
       - uses: actions/checkout@v2
@@ -76,7 +40,7 @@ jobs:
           rm -f ~/.gradle/caches/modules-2/modules-2.lock
           rm -f ~/.gradle/caches/modules-2/gc.properties
 
-  test-on-macos:
+  builad-and-test-on-macos:
 
     runs-on: macos-latest
     strategy: