Can't sign in to gitlab.com

Hello,
I’m supposed to contact a GitLab administrator but I have no idea how to do that . My GitLab user is blocked and I can’t recover my password (the email never arrives…)
I’m hoping to get some help here.

Thanks.

Try here: https://support.gitlab.com/hc/en-us/requests/new?ticket_form_id=360000803379