[Doc-16555] Add note of Alert Script Plugin (#16556)

* add Note doc of scrip alert

* mvn spotless:apply

---------

Co-authored-by: wangxj959 <wangxj959@chinaunicom.cn>

docs/docs/en/guide/alert/script.md

@@ -15,4 +15,5 @@ The following shows the `Script` configuration example:
 
 ### Note
 
-Consider the script file access privileges with the executing tenant.
+1.Consider the script file access privileges with the executing tenant.
+2.Script alerts will execute the corresponding shell script. The platform will not verify the script content and whether it has been tampered with. There is a need to have a high degree of trust in this shell script and trust that users will not abuse this function.

docs/docs/zh/guide/alert/script.md

@@ -18,5 +18,6 @@
 
   > 支持`Shell`脚本
 
-**_注意：_** 请注意脚本的读写权限与执行租户的关系
+**_注意：_**
-
+1.请注意脚本的读写权限与执行租户的关系
+2.脚本告警会执行对应shell脚本，平台不会校验脚本内容和是否被篡改，需要高度信任该shell脚本，并且信任用户不会滥用此功能