fix: change file opening mode in SaveJSONLines to truncate file

Author: root4loot

fileutil/fileutil.go

@@ -169,7 +169,7 @@ func SaveJSONLines(filePath string, data interface{}) error {
 		return err
 	}
 
-	file, err := os.OpenFile(filePath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+	file, err := os.OpenFile(filePath, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0644)
 	if err != nil {
 		return err
 	}