do not make password required for user input

app/graphql/types/base_input_object.rb

@@ -1,9 +1,7 @@
 # frozen_string_literal: true
 
-# :nocov:
 module Types
   # Base class for all graphql input objects
   class BaseInputObject < GraphQL::Schema::InputObject
   end
 end
-# :nocov:

app/graphql/types/user_input_type.rb

@@ -1,15 +1,13 @@
 # frozen_string_literal: true
 
-# :nocov:
 module Types
   # Input type for user
   class UserInputType < Types::BaseInputObject
     description 'Attributes to create a user.'
     argument :email, String, 'Email of user', required: true
     argument :first_name, String, 'Firstname of user', required: true
     argument :last_name, String, 'Lastname of user', required: true
-    argument :password, String, 'Password of user', required: true
-    argument :password_confirmation, String, 'Password confirmation', required: true
+    argument :password, String, 'Password of user', required: false
+    argument :password_confirmation, String, 'Password confirmation', required: false
   end
 end
-# :nocov: