chore(release): 1.0.0-beta.6 [skip ci]

# [1.0.0-beta.6](https://git.gitlab.arm.com/bazel/toolchain_utils/compare/v1.0.0-beta.5...v1.0.0-beta.6) (2024-04-24)

### Bug Fixes

* **symlink/target:** accept extensions without period `.` ([ab12aa8c](https://git.gitlab.arm.com/bazel/toolchain_utils/commit/ab12aa8c9d22d80d949b3c8e213a5a4b4cc9e121))