actions v4

Author: dschadow

.github/workflows/maven.yml

@@ -13,7 +13,7 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v4
     - name: Configure Java for Build
-      uses: actions/setup-java@v2
+      uses: actions/setup-java@v4
       with:
         distribution: 'temurin'
         java-version: '17'