chore(release): 1.0.0-alpha.5 [skip ci]

# [1.0.0-alpha.5](https://git.gitlab.arm.com/bazel/rules_coreutils/compare/v1.0.0-alpha.4...v1.0.0-alpha.5) (2024-01-12)

### Bug Fixes

* upgrade to `rules_toolchain@1.0.0-alpha.16` ([db7fada2](https://git.gitlab.arm.com/bazel/rules_coreutils/commit/db7fada2fcb4afa314b39d4014f36e06e71eece8))