Fix Android build

Author: sappenin

.github/workflows/workflow.yml

@@ -31,17 +31,16 @@ jobs:
     steps:
       # Checks-out the repository under $GITHUB_WORKSPACE
       - uses: actions/checkout@v4
+      # Set up Java 17
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'adopt'
+          java-version: '21'
+          cache: 'maven'
       # Set up Android
       - name: Setup Android SDK
         uses: android-actions/setup-android@v3
-      - name: Cache mvn dependencies
-        uses: actions/cache@v4
-        env:
-          cache-name: mvn-deps
-        with:
-          path: ~/.m2
-          key: ${{ env.cache-name }}-${{ hashFiles('pom.xml') }}
-          restore-keys: ${{ env.cache-name }}-
       - name: Build
         run: mvn dependency:go-offline install -Dmaven.javadoc.skip=true -Pandroid