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

# [1.0.0-alpha.3](https://git.gitlab.arm.com/bazel/rules_git/compare/v1.0.0-alpha.2...v1.0.0-alpha.3) (2024-08-02)

### Bug Fixes

* pin to Bazel 7.2.1rc2 for `TreeArtifact` [bugfix] ([34881e7a](https://git.gitlab.arm.com/bazel/rules_git/commit/34881e7af1fbca6c43fefd4349bb06ca441cfe4d)), closes [/github.com/bazelbuild/bazel/issues/22151#issuecomment-2183467522](https://git.gitlab.arm.com//github.com/bazelbuild/bazel/issues/22151/issues/issuecomment-2183467522)

### Features

* add `git_archive` rule ([0b386ee9](https://git.gitlab.arm.com/bazel/rules_git/commit/0b386ee9f38cac8c9d83e83ca38ab8f88ee27b86))
* upgrade to `bazel-git@1.0.0-beta.9` ([5d6a7e3a](https://git.gitlab.arm.com/bazel/rules_git/commit/5d6a7e3ad7876b000cc46de65322f6d17eee4234))