update gh action build

Signed-off-by: Lukas Jungmann <lukas.jungmann@oracle.com>

.github/workflows/maven.yml

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 Contributors to the Eclipse Foundation
+# Copyright (c) 2021, 2022 Contributors to the Eclipse Foundation
 #
 # This program and the accompanying materials are made available under the
 # terms of the Eclipse Public License v. 2.0 which is available at
@@ -23,7 +23,7 @@ jobs:
 
     strategy:
       matrix:
-        java_version: [ 11, 17-ea ]
+        java_version: [ 11, 17 ]
 
     steps:
     - name: Checkout for build
@@ -33,5 +33,8 @@ jobs:
       with:
         distribution: 'zulu'
         java-version: ${{ matrix.java_version }}
+        cache: maven
     - name: Verify
-      run: cd api && mvn -B -V -U -C -Poss-release -Pstaging clean verify -Dgpg.skip=true
+      run: |
+          cd api
+          mvn -B -V -U -C -Poss-release -Pstaging clean verify -Dgpg.skip=true org.glassfish.copyright:glassfish-copyright-maven-plugin:check -Dcopyright.ignoreyear=true