chore(release): 0.157.0 [skip ci]

## 0.157.0

### 🚀 Features

- Add merge requests commit api ([!2539](gitlab-org/api/client-go!2539)) by [Ilya Savitsky](https://gitlab.com/ipsavitsky234)

### 🔄 Other Changes

- test: adds missing UTs for notifications ([!2528](gitlab-org/api/client-go!2528)) by [Zubeen](https://gitlab.com/syedzubeen)
- chore: Update review instructions ([!2537](gitlab-org/api/client-go!2537)) by [Patrick Rice](https://gitlab.com/PatrickRice)
- chore(no-release): Fix godoc comments; enable godoclint ([!2535](gitlab-org/api/client-go!2535)) by [Oleksandr Redko](https://gitlab.com/alexandear)

# [0.157.0](gitlab-org/api/client-go@v0.156.0...v0.157.0) (2025-10-13)