Cannot clone git repo using GitLab CI runners token after update to 8.12.0

Zendesk: https://gitlab.zendesk.com/agent/tickets/40166

After updated to v8.12.0 recieved authentication error at clone repository using runners token.

git clone https://gitlab-ci-token:<gitlab-ci-token>@git.example.com/myuser/myrepo.git
Cloning into 'myrepo'...
remote: HTTP Basic: Access denied
fatal: Authentication failed for 'https://gitlab-ci-token:<gitlab-ci-token>@git.example.com/myuser/myrepo.git/'