Update composer require version for authentication plugin

Author: dereuromark

docs/en/tutorials-and-examples/cms/authentication.md

@@ -16,7 +16,7 @@ enable new users to register.
 Use composer to install the Authentication Plugin:
 
 ```bash
-composer require "cakephp/authentication:~4.0"
+composer require "cakephp/authentication:^4.0"
 ```
 
 ## Adding Password Hashing