chore(release): 1.0.0-alpha.4 [skip ci]

# [1.0.0-alpha.4](https://git.gitlab.arm.com/bazel/git/compare/v1.0.0-alpha.3...v1.0.0-alpha.4) (2024-04-11)

### Bug Fixes

* **ls-remote:** filter references with glob patterns ([42720ce7](https://git.gitlab.arm.com/bazel/git/commit/42720ce7099c3aea7441cb04dd3614cdb699e4cf))
* **main:** add `fatal:` prefix to error messages ([93930866](https://git.gitlab.arm.com/bazel/git/commit/939308663400411d72b8ce6cca93406beca281a1))

### Features

* **fetch:** support reference specifications ([7975120e](https://git.gitlab.arm.com/bazel/git/commit/7975120e44f0727f54cf857a9b54df309d8e3bf6))
* **fetch:** support writing `FETCH_HEAD` ([973bfa31](https://git.gitlab.arm.com/bazel/git/commit/973bfa3143b9f158a604b7ec324b1ccb222c7440))