fix: field type of row_status for table webhook (#2579)

Fix field type of row_status for table webhook

store/db/mysql/migration/dev/LATEST__SCHEMA.sql

@@ -139,7 +139,7 @@ CREATE TABLE `webhook` (
   `id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
   `created_ts` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
   `updated_ts` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-  `row_status` TEXT NOT NULL DEFAULT 'NORMAL',
+  `row_status` VARCHAR(255) NOT NULL DEFAULT 'NORMAL',
   `creator_id` INT NOT NULL,
   `name` TEXT NOT NULL,
   `url` TEXT NOT NULL