Fix GH Actions workflow

Author: komamitsu

.github/workflows/ci.yml

@@ -27,7 +27,7 @@ jobs:
     - name: Upload Gradle test reports
       uses: actions/upload-artifact@v4
       with:
-        name: gradle_test_reports
+        name: gradle_test_reports_with_java_${{ matrix.java_version }}
         path: build/reports/tests/test
 
   integration-test:
@@ -49,7 +49,7 @@ jobs:
     - name: Upload Gradle test reports
       uses: actions/upload-artifact@v4
       with:
-        name: gradle_integration_test_reports
+        name: gradle_integration_test_reports_with_java_${{ matrix.java_version }}
         path: build/reports/tests/integrationTest
 
   test-on-example-app: