Update Java

.github/workflows/maven.yml

@@ -1,11 +1,3 @@
-# This workflow will build a Java project with Maven, and cache/restore any dependencies to improve the workflow execution time
-# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-maven
-
-# This workflow uses actions that are not certified by GitHub.
-# They are provided by a third-party and are governed by
-# separate terms of service, privacy policy, and support
-# documentation.
-
 name: Java CI with Maven
 
 on:
@@ -16,7 +8,6 @@ on:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
 
     steps:
@@ -24,7 +15,7 @@ jobs:
       - name: Set up JDK 8
         uses: actions/setup-java@v3
         with:
-          java-version: '8'
+          java-version: '21'
           distribution: 'temurin'
           cache: maven
       - name: Build with Maven