I sent an email to [email protected], and they resolved the issue. They replied with the following reason:
Why This Happened
Due to the high volume of mail and signups we have at WordPress.org, and the sadly high number of fake accounts, we have a very complex system to try and catch bad actors before they make life miserable for everyone.
Sometimes that tool gets a little exuberant and false-flags. We are a actively working to improve this.