User deletion flaky

[FlxMgdnz]

Checklist

• I could not find a solution in the existing issues or docs.
• I agree to follow this project's Code of Conduct.

Describe the bug

Deleting a user via the admin API sometimes results in the email address still being present in the database, which prevents using the same email to create a new user.

Reproducing the bug

Not sure unfortunately. The issue was reported in Discord.

Logs

Configuration

Hanko Version

1.4

OS Hanko Backend

None

OS Version Hanko Backend

No response

OS

None

OS Version

No response

Browser Version

No response

Environment

None

Additional Context

No response