Update maven.yml

Author: codeurzebs

.github/workflows/maven.yml

@@ -17,11 +17,11 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-    - name: Set up JDK 17
+    - name: Set up JDK 21
       uses: actions/setup-java@v3
       with:
         distribution: 'temurin'
-        java-version: 17
+        java-version: 21
         # Given the fact that this is a multimodule project, build process will take long time so we activate caching
         # To know more: https://maven.apache.org/extensions/maven-build-cache-extension/cache.html
         cache: 'maven'