actions : upgrade to upload-artifact v7

Author: carlosame

.github/workflows/build.yml

@@ -49,7 +49,7 @@ jobs:
 
       # Upload test artifact
       - name: Upload test output
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         if: ${{ failure() }}
         with:
           name: test-output-${{ matrix.java }}