Feat : Fixed time 3 hour -> 4

Author: NE7K

.github/workflows/sentiment.yml

@@ -2,7 +2,7 @@ name: Sentiment Pipeline
 
 on:
   schedule:
-    - cron: "0 */3 * * *"  # every 3 hours
+    - cron: "0 */4 * * *"  # every 3 hours
   workflow_dispatch:      # 수동 실행 버튼
 
 jobs: