CI: use a JavaFX-8-enabled JDK

Author: ctrueden

.github/workflows/build-main.yml

@@ -14,11 +14,16 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Set up Java
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v1
         with:
           java-version: '8'
-          distribution: 'zulu'
-          cache: 'maven'
+          java-package: 'jdk+fx'
+      - name: Cache Maven artifacts
+        uses: actions/cache@v2
+        with:
+          path: ~/.m2
+          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
+          restore-keys: ${{ runner.os }}-m2
       - name: Set up CI environment
         run: .github/setup.sh
       - name: Execute the build

.github/workflows/build-pr.yml

@@ -12,11 +12,16 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Set up Java
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v1
         with:
           java-version: '8'
-          distribution: 'zulu'
-          cache: 'maven'
+          java-package: 'jdk+fx'
+      - name: Cache Maven artifacts
+        uses: actions/cache@v2
+        with:
+          path: ~/.m2
+          key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
+          restore-keys: ${{ runner.os }}-m2
       - name: Set up CI environment
         run: .github/setup.sh
       - name: Execute the build