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

# [1.0.0-alpha.3](https://git.gitlab.arm.com/bazel/rules_download/compare/v1.0.0-alpha.2...v1.0.0-alpha.3) (2023-12-13)

### Bug Fixes

* scope tool labels to project ([e5014154](https://git.gitlab.arm.com/bazel/rules_download/commit/e50141549e50656f2840d4481a5ff7f2f63d8b58))
* set minimum version to Bazel 7 ([e84dd11a](https://git.gitlab.arm.com/bazel/rules_download/commit/e84dd11a9e8abf0f34857cdc55293b29f350c04d))