build: bump indexmap from 1.8.2 to 1.9.0 (starship#4084)

Bumps [indexmap](https://github.com/bluss/indexmap) from 1.8.2 to 1.9.0.
- [Release notes](https://github.com/bluss/indexmap/releases)
- [Changelog](https://github.com/bluss/indexmap/blob/master/RELEASES.md)
- [Commits](indexmap-rs/indexmap@1.8.2...1.9.0)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.toml

@@ -43,7 +43,7 @@ dirs-next = "2.0.0"
 dunce = "1.0.2"
 gethostname = "0.2.3"
 git2 = { version = "0.14.4", default-features = false }
-indexmap = { version = "1.8.2", features = ["serde"] }
+indexmap = { version = "1.9.0", features = ["serde"] }
 local_ipaddress = "0.1.3"
 log = { version = "0.4.16", features = ["std"] }
 # nofity-rust is optional (on by default) because the crate doesn't currently build for darwin with nix