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

# [1.0.0-beta.4](https://git.gitlab.arm.com/bazel/rules_tar/compare/v1.0.0-beta.3...v1.0.0-beta.4) (2024-09-05)

### Features

* **toolchains:** switch to using toolchains for compression ([aab887e1](https://git.gitlab.arm.com/bazel/rules_tar/commit/aab887e14a76a370d7db22f4d6fa70e7c9c0fde3))