chore(release): 1.0.0-alpha.7 [skip ci]

# [1.0.0-alpha.7](https://git.gitlab.arm.com/bazel/git/compare/v1.0.0-alpha.6...v1.0.0-alpha.7) (2024-04-19)

### Bug Fixes

* **fetch:** output `remote error: want {} not valid` error message when SHA unadvertised ([08ef8807](https://git.gitlab.arm.com/bazel/git/commit/08ef8807ae34f468400e77d9331c4a6f633f243a))