chore(release): 1.0.0-beta.3 [skip ci]

# [1.0.0-beta.3](https://git.gitlab.arm.com/bazel/toolchain_utils/compare/v1.0.0-beta.2...v1.0.0-beta.3) (2024-02-23)

### Features

* add `{net,free,open}bsd` operating system aliases ([a8058893](https://git.gitlab.arm.com/bazel/toolchain_utils/commit/a8058893f1d95afe23c9f0d64cb3b81e69fec4dd))