Try 'cache-cleanup: always'

.github/workflows/demo-job-summary.yml

@@ -25,7 +25,7 @@ jobs:
       uses: ./setup-gradle
       with:
         cache-read-only: false
-        cache-cleanup: 'on-success'
+        cache-cleanup: 'always'
     - name: Build kotlin-dsl project
       working-directory: .github/workflow-samples/kotlin-dsl
       run: ./gradlew assemble