how to solve `no usernames for registry.heroku.com` on heroku container:login?

Question

I'm Pop!_OS 22.04 LTS and when I run:

heroku container:login -v

I get:

  heroku-container-registry docker [ 'version', '-f', '{{.Client.Version}}' ] +0ms
  heroku-container-registry docker [ 'login', '--username=_', '--password-stdin', 'registry.heroku.com' ] +41ms
Error saving credentials: error storing credentials - err: exit status 1, out: `error getting credentials - err: exit status 1, out: `no usernames for registry.heroku.com``
 ▸    Login failed with: 1

Does anybody know who to solve this issue?

Highlights:

• I have Docker up and running. (signed in Docker Hub);
• Heroku CLI is logged in;
• I have tried sudo heroku container:login -v but the I got ▸ not logged in error;
• I tried to run sudo heroku login to then try sudo heroku container:login but sudo heroku login doesn't open the web page for authentication;
• sudo heroku login -i is not an option because I have MFA enabled;