🐛 fix CreateMergeRequestDependency and test

upstream mr title: 🐛 fix CreateMergeRequestDependency and test

upstream mr link: https://gitlab.com/gitlab-org/api/client-go/-/merge_requests/2174

upstream mr target branch: main

upstream mr milestone:

upstream mr merged at: 2025-02-27 01:18:51 +0800