When Google family_name is undefined user can't login

[tiagoboeing]

aws-infrastructure-as-code/cognito-user-pool/cognito_user_pool.tf

Lines 51 to 62 in 50b14d8

	schema {
	name = "family_name"
	attribute_data_type = "String"
	developer_only_attribute = "false"
	mutable = "true"
	required = "true"
	string_attribute_constraints {
	max_length = "2048"
	min_length = "0"
	}
	}

Change family_name to be optional is an option.