Bump gix from 0.64.0 to 0.66.0 in the gix group

Bumps the gix group with 1 update: [gix](https://github.com/Byron/gitoxide).


Updates `gix` from 0.64.0 to 0.66.0
- [Release notes](https://github.com/Byron/gitoxide/releases)
- [Changelog](https://github.com/Byron/gitoxide/blob/main/CHANGELOG.md)
- [Commits](GitoxideLabs/gitoxide@gix-v0.64.0...gix-v0.66.0)

---
updated-dependencies:
- dependency-name: gix
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gix
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]