[Symfony 5.2] Rename setProviderKey()/getProviderKey() to setFirewallName()/getFirewallName() (#4888)
[Symfony 5.2] Rename setProviderKey()/getProviderKey() to setFirewallName()/getFirewallName() (#4888)

* [Symfony 5.2] Rename setProviderKey()/getProviderKey() to setFirewallName()/getFirewallName()

* [Symfony 5.2] Rename setProviderKey()/getProviderKey() to setFirewallName()/getFirewallName()
RectorPHP/Rector