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

# [1.0.0-beta.4](https://git.gitlab.arm.com/bazel/toolchain_utils/compare/v1.0.0-beta.3...v1.0.0-beta.4) (2024-03-25)

### Bug Fixes

* **export.symlink:** support multiple identical exports ([07a9c2c8](https://git.gitlab.arm.com/bazel/toolchain_utils/commit/07a9c2c832997967deaed6a8257789a03bf3450b))