Use correct CE project name for org repo

What does this MR do?

It uses the correct project at dev to fetch the CE branch counterpart.

Further explanation of the problem: https://dev.gitlab.org/gitlab/gitlabhq/merge_requests/3138#note_166347.

It's currently causing errors like https://dev.gitlab.org/gitlab/gitlab-ee/-/jobs/4660375 at dev stable branches.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/63525

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation created/updated or follow-up review issue created
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content