chore(ci): allow mainmatter/continue-on-error-comment to work on forks

[github-actions[bot]]

Some tests with 'continue-on-error: true' have failed:

• classic-test-app test:one ember-beta

  • test-app test:one ember-beta
  • classic-test-app test:one ember-canary
  • test-esa test:one ember-beta
  • test-app test:one ember-canary

  Created by continue-on-error-comment