Braden Keith

## Description This PR will move deprecation notices from `error_log` to `trigger_error`. It will cause all deprecation notices in the unit tests to be expected and tested against. The test...

## Description This paves the way for @mattgd's PR https://github.com/workos/workos-php/pull/215, which will remove the `$domain` parameter in the next major release. Since the domain is no longer used today, this...

## Description Add UserIdentityProvider and UserIdentityProviderType classes implement getUserIdentityProviders method in UserManagement class - Introduced UserIdentityProvider and UserIdentityProviderType classes to represent user identity providers and their types. - Added `getUserIdentityProviders`...