fix: update description for COS backup input in production workflow

- Revised the description of the `cos_backup` input parameter to clarify its purpose for backing up to COS.

Author: shhdgit

.github/workflows/production.yml

@@ -24,7 +24,7 @@ on:
         default: false
         required: false
       cos_backup:
-        description: "Backup to COS"
+        description: "To backup COS"
         type: boolean
         default: false
         required: false