Fix configure-service-account doc set permissions link error

Issuse record: kubernetes#9650

Signed-off-by: Yuanbin.Chen <cybing4@gmail.com>

content/en/docs/tasks/configure-pod-container/configure-service-account.md

@@ -121,7 +121,7 @@ secrets:
 
 then you will see that a token has automatically been created and is referenced by the service account.
 
-You may use authorization plugins to [set permissions on service accounts](docs/reference/access-authn-authz/authorization/#service-account-permissions).
+You may use authorization plugins to [set permissions on service accounts](docs/reference/access-authn-authz/rbac/#service-account-permissions).
 
 To use a non-default service account, simply set the `spec.serviceAccountName`
 field of a pod to the name of the service account you wish to use.