"Resolve with scanner suggestion" does not work

Summary

"Resolve with scanner suggestion" on the vulnerability details page does not work.

Steps to reproduce

1. Clone the Yarn Remediation repo
2. Run a pipeline on the cureable branch.
3. Navigate to the project security dashboard select a vulnerability and view the details page. The Resolve with MR button should be available.
4. Click on the Resolve with MR button.

Example Project

What is the current bug behavior?

"There was an error creating the merge request. Please try again."

What is the expected correct behavior?

A Merge Request is created and you are navigated to that page.

Relevant logs and/or screenshots

Output of checks

Results of GitLab environment info

Expand for output related to GitLab environment info

(For installations with omnibus-gitlab package run and paste the output of:
`sudo gitlab-rake gitlab:env:info`)

(For installations from source run and paste the output of:
`sudo -u git -H bundle exec rake gitlab:env:info RAILS_ENV=production`)

Results of GitLab application Check

Expand for output related to the GitLab application check

(For installations with omnibus-gitlab package run and paste the output of:
sudo gitlab-rake gitlab:check SANITIZE=true)
(For installations from source run and paste the output of:
sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production SANITIZE=true)
(we will only investigate if the tests are passing)

Possible fixes

Patch release information for backports

If the bug fix needs to be backported in a patch release to a version under the maintenance policy, please follow the steps on the patch release runbook for GitLab engineers.

Refer to the internal "Release Information" dashboard for information about the next patch release, including the targeted versions, expected release date, and current status.

High-severity bug remediation

To remediate high-severity issues requiring an internal release for single-tenant SaaS instances, refer to the internal release process for engineers.