Add support for configuring `account.password_registration_email_required` for Matrix Authentication Service

Ref:

- https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/4647
- https://github.com/element-hq/matrix-authentication-service/releases/tag/v1.4.0
- https://github.com/element-hq/matrix-authentication-service/pull/5109

roles/custom/matrix-authentication-service/defaults/main.yml

@@ -219,6 +219,11 @@ matrix_authentication_service_config_account_displayname_change_allowed: true
 # This has no effect if password login is disabled.
 matrix_authentication_service_config_account_password_registration_enabled: false
 
+# Controls the `account.password_registration_email_required` configuration setting.
+#
+# Whether self-service password registrations require a valid email.
+matrix_authentication_service_config_account_password_registration_email_required: true
+
 # Controls the `account.password_change_allowed` configuration setting.
 #
 # Whether users are allowed to change their passwords.

roles/custom/matrix-authentication-service/templates/config.yaml.j2

@@ -65,6 +65,7 @@ account:
   email_change_allowed: {{ matrix_authentication_service_config_account_email_change_allowed | to_json }}
   displayname_change_allowed: {{ matrix_authentication_service_config_account_displayname_change_allowed | to_json }}
   password_registration_enabled: {{ matrix_authentication_service_config_account_password_registration_enabled | to_json }}
+  password_registration_email_required: {{ matrix_authentication_service_config_account_password_registration_email_required | to_json }}
   password_change_allowed: {{ matrix_authentication_service_config_account_password_change_allowed | to_json }}
   password_recovery_enabled: {{ matrix_authentication_service_config_account_password_recovery_enabled | to_json }}
   account_deactivation_allowed: {{ matrix_authentication_service_config_account_account_deactivation_allowed | to_json }}