Merge pull request #1880 from shanakama/update-mediation

[DOC] Update mediation new bal version

Author: shanakama

en/docs/api-management/api-policies/attach-and-manage-policies.md

@@ -69,13 +69,13 @@ If none of the above changes occur during deployment, Choreo skips the code gene
 Choreo allows you to implement an API policy as a Ballerina project and attach it to an API proxy component. 
 
 !!! info
-    Supported Ballerina version: 2201.5.5 
+    Supported Ballerina version: 2201.12.8 
 
 To implement a policy, follow the steps given below: 
 
 ### Prerequisites
 
-1. Set up [ Ballerina 2201.5.5](https://ballerina.io/downloads/swan-lake-release-notes/swan-lake-2201.5.5).
+1. Set up [ Ballerina 2201.12.8](https://ballerina.io/downloads/swan-lake-release-notes/swan-lake-2201.12.8).
 2. Open the `~/.ballerina/settings.toml` file and ensure you have configured an access token to Ballerina Central. If you have not configured an access token, follow the steps given below to configure one: 
     1. Generate a token via [https://central.ballerina.io/dashboard?tab=token](https://central.ballerina.io/dashboard?tab=token).
     2. Download the generated `Settings.toml` file and copy it to your local `~/.ballerina` directory.
@@ -118,7 +118,7 @@ Depending on your requirement, you can modify the `Ballerina.toml` and the `Pack
         name = "validateHeader"
         version = "1.0.0"
         export = ["validateHeader"]
-        distribution = "2201.5.5"
+        distribution = "2201.12.8"
         keywords = ["choreo-apim-mediation-policy","choreo-apim-mediation-request-flow","choreo-apim-mediation-response-flow","choreo-apim-mediation-fault-flow"]
 ```
 
@@ -209,7 +209,7 @@ In this guide, you are not going to make any changes to the `Fault` flow. Theref
         name = "packageName"
         version = "1.0.2"
         export = ["packageName"]
-        distribution = "2201.5.5"
+        distribution = "2201.12.8"
         keywords = ["choreo-apim-mediation-policy","choreo-apim-mediation-request-flow","choreo-apim-mediation-response-flow","choreo-apim-mediation-fault-flow"]
         visibility = "private"
      ```