Artifact Build Fix

Updated the build.yml file to support java version 21 vs 17

Author: KoopaCode

.github/workflows/build.yml

@@ -17,10 +17,10 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - name: Set up JDK 17
+    - name: Set up JDK 21
       uses: actions/setup-java@v4
       with:
-        java-version: '17'
+        java-version: '21'
         distribution: 'temurin'
         cache: maven