Try to use different names of GitWave.zip for different OS, part 2

Author: introfog

.github/workflows/maven.yml

@@ -33,5 +33,5 @@ jobs:
       if: success()
       uses: actions/upload-artifact@v4
       with:
-        name: GitWave${{ matrix.java-version }}.zip
+        name: GitWave${{ matrix.os }}.zip
         path: target/GitWave.zip