LDAP Documentation and example of encrypted configuration use wrong settings

Problem to solve

Replace user_bn and user_dn with bind_dn
https://gitlab.com/gitlab-org/gitlab/-/blob/master/doc/administration/encrypted_configuration.md
https://gitlab.com/gitlab-org/gitlab/-/blob/master/doc/administration/raketasks/ldap.md
https://gitlab.com/gitlab-org/gitlab/-/blob/master/doc/administration/auth/ldap/index.md
https://gitlab.com/gitlab-org/gitlab/-/blob/master/lib/gitlab/encrypted_ldap_command.rb

Further details

Proposal

Who can address the issue

Other links/references