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

# [1.0.0-alpha.4](https://git.gitlab.arm.com/bazel/rules_git/compare/v1.0.0-alpha.3...v1.0.0-alpha.4) (2024-08-02)

### Features

* export `bazel-git` entrypoint ([b208cb3b](https://git.gitlab.arm.com/bazel/rules_git/commit/b208cb3b20f1dd9c4a76e5f5467bcd1e67424a9b))
* expose `[@rules](https://git.gitlab.arm.com/rules)_git//git` target ([542046a2](https://git.gitlab.arm.com/bazel/rules_git/commit/542046a258c3ce33cbf4cf2002b06cb2edf4a6f2))