[APIM] Update API Management service link in documentation[

Pinned the API Management service link for disabling trusted service connectivity to version 2025-03-01-preview

Author: dlepow

articles/api-management/breaking-changes/trusted-service-connectivity-retirement-march-2026.md

@@ -92,7 +92,7 @@ You can configure the networking of target resources to one of the following opt
 
 After ensuring that your API Management gateway doesn't access other Azure services using trusted service connectivity, you must explicitly disable trusted connectivity in your gateway to acknowledge you have verified that the service no longer depends on trusted connectivity.
 
-To do so, set a custom property `Microsoft.WindowsAzure.ApiManagement.Gateway.ManagedIdentity.DisableOverPrivilegedAccess` to `"True"` on the [API Management service](/rest/api/apimanagement/api-management-service/create-or-update). For example: 
+To do so, set a custom property `Microsoft.WindowsAzure.ApiManagement.Gateway.ManagedIdentity.DisableOverPrivilegedAccess` to `"True"` on the [API Management service](/rest/api/apimanagement/api-management-service/create-or-update?view=rest-apimanagement-2025-03-01-preview&tabs=HTTP). For example: 
 
 
 ```json