Updated GitHub Actions for branch 3.x

- Build with 8, 11, 17
- Staging is dead - removed
- Switched from zulu to temurin

Signed-off-by: David Matějček <[email protected]>

Author: dmatej

.github/workflows/maven.yml

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2021 Contributors to the Eclipse Foundation
+# Copyright (c) 2021, 2026 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
@@ -23,17 +23,18 @@ jobs:
 
     strategy:
       matrix:
-        java_version: [ 11, 17-ea ]
+        java_version: [ 8, 11, 17 ]
 
     steps:
     - name: Checkout for build
-      uses: actions/checkout@v2.3.4
+      uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - name: Set up JDK
-      uses: actions/setup-java@v2
+      uses: actions/setup-java@v4
       with:
-        distribution: 'zulu'
+        distribution: 'temurin'
         java-version: ${{ matrix.java_version }}
     - name: Verify
-      run: cd wsit && mvn -B -V -U -C -Dalltests=true -Pstaging,oss-release clean verify org.glassfish.copyright:glassfish-copyright-maven-plugin:check -Dgpg.skip=true
+      run: cd wsit && mvn -B -V -U -C -Dalltests=true -Poss-release clean verify org.glassfish.copyright:glassfish-copyright-maven-plugin:check -Dgpg.skip=true
+