[b2c][issue] change post_logout_redirect_uri (aadb2cplayground > jwt.ms) [fixes 46165]

Fixes https://github.com/MicrosoftDocs/azure-docs/issues/46165

Author: mmacy

articles/active-directory-b2c/active-directory-b2c-reference-oidc.md

@@ -263,7 +263,7 @@ When you want to sign the user out of the application, it isn't enough to clear
 To sign out the user, redirect the user to the `end_session` endpoint that is listed in the OpenID Connect metadata document described earlier:
 
 ```HTTP
-GET https://{tenant}.b2clogin.com/{tenant}.onmicrosoft.com/{policy}/oauth2/v2.0/logout?post_logout_redirect_uri=https%3A%2F%2Faadb2cplayground.azurewebsites.net%2F
+GET https://{tenant}.b2clogin.com/{tenant}.onmicrosoft.com/{policy}/oauth2/v2.0/logout?post_logout_redirect_uri=https%3A%2F%2Fjwt.ms%2F
 ```
 
 | Parameter | Required | Description |