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

# [1.0.0-beta.4](https://git.gitlab.arm.com/bazel/rules_zstd/compare/v1.0.0-beta.3...v1.0.0-beta.4) (2024-09-13)

### Bug Fixes

* make `superconfigure` toolchain the default ([9b12a942](https://git.gitlab.arm.com/bazel/rules_zstd/commit/9b12a942559febbe7344d3d0feea193cff0a5568))

### Features

* add `//zstd/toolchain/zstd:superconfigure` toolchain ([d2b95b0e](https://git.gitlab.arm.com/bazel/rules_zstd/commit/d2b95b0ee66cb674fe287b88f36ab79710ce9b78))