[ZAuth/Users] Add login throttling

[craigh]

Q	A
Zikula Version	3.1.0
PHP Version	7.2.5?
Requires	Symfony 5.2

Summary

Add login throttling similar to how Symfony has added to their own login methods
symfony/symfony@237d91f

Requires Symfony 5.2

[Guite]

https://symfony.com/blog/new-in-symfony-5-2-login-throttling

[craigh]

Because the rate limiter is marked experimental in Symfony 5.2, I am postponing this ticket until the feature is no longer experimental.

The code diff link I posted above has changed multiple times since the original commit.