feat!: prevent disclosure of customer groups by default (#136)

Author: damienwebdev

app/code/Magento/Customer/etc/config.xml

@@ -33,8 +33,8 @@
                 <change_email_template>customer_account_information_change_email_template</change_email_template>
                 <change_email_and_password_template>customer_account_information_change_email_and_password_template</change_email_and_password_template>
                 <confirm>0</confirm>
-                <graphql_share_all_customer_groups>1</graphql_share_all_customer_groups>
-                <graphql_share_customer_group>1</graphql_share_customer_group>
+                <graphql_share_all_customer_groups>0</graphql_share_all_customer_groups>
+                <graphql_share_customer_group>0</graphql_share_customer_group>
             </account_information>
             <password>
                 <forgot_email_identity>support</forgot_email_identity>