chore(ci): improve docker cleanup

.github/workflows/container-scan.yml

@@ -33,6 +33,5 @@ jobs:
 
       - name: Clean up Docker
         run: |
-          docker buildx prune --filter=until=48h -f
           docker image rm meetup_trivy
-          docker system prune -af --volumes
+          docker system prune -af --volumes

.github/workflows/docker-build.yml

@@ -66,5 +66,4 @@ jobs:
 
       - name: Clean up Docker
         run: |
-          docker buildx prune --filter=until=48h -f
-          docker system prune -af --volumes
+          docker system prune -af --volumes