Update gix requirement from 0.55.2 to 0.57.1

Updates the requirements on [gix](https://github.com/Byron/gitoxide) to permit the latest version.
- [Release notes](https://github.com/Byron/gitoxide/releases)
- [Changelog](https://github.com/Byron/gitoxide/blob/main/CHANGELOG.md)
- [Commits](GitoxideLabs/gitoxide@gix-v0.55.2...gix-v0.57.1)

---
updated-dependencies:
- dependency-name: gix
  dependency-type: direct:production
...

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

jig-cli/Cargo.toml

@@ -10,7 +10,7 @@ clap = { version = "4.3.0", default-features = false, features = ["help", "std",
 clap_complete = "4.4.4"
 color-eyre = { workspace = true }
 etcetera = "0.8.0"
-gix = { version = "0.55.2", default-features = false }
+gix = { version = "0.57.1", default-features = false }
 inquire = { git = "https://github.com/mikaelmello/inquire.git", features = ["date"] }
 jira = { path = "../jira", default-features = false }
 regex = { workspace = true }