build(deps): bump gix-fs from 0.21.0 to 0.21.1

Bumps [gix-fs](https://github.com/GitoxideLabs/gitoxide) from 0.21.0 to 0.21.1.
- [Release notes](https://github.com/GitoxideLabs/gitoxide/releases)
- [Changelog](https://github.com/GitoxideLabs/gitoxide/blob/main/CHANGELOG.md)
- [Commits](GitoxideLabs/gitoxide@gix-fs-v0.21.0...gix-fs-v0.21.1)

---
updated-dependencies:
- dependency-name: gix-fs
  dependency-version: 0.21.1
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]