Update build.yml

Author: User-green

.github/workflows/build.yml

@@ -11,9 +11,7 @@ jobs:
     strategy:
       matrix:
         # Use these Java versions
-        java: [
-          21,    # Current Java LTS
-        ]
+        java: [ 17 ]
     runs-on: ubuntu-22.04
     steps:
       - name: checkout repository
@@ -30,8 +28,8 @@ jobs:
       - name: build
         run: ./gradlew build
       - name: capture build artifacts
-        if: ${{ matrix.java == '21' }} # Only upload artifacts built from latest java
+        if: ${{ matrix.java == '17' }} # Only upload artifacts built from latest java
         uses: actions/upload-artifact@v4
         with:
           name: Artifacts
-          path: build/libs/
+          path: build/libs/