Bump indexmap from 2.2.6 to 2.3.0 (#3057)

Bumps [indexmap](https://github.com/indexmap-rs/indexmap) from 2.2.6 to 2.3.0.
- [Changelog](https://github.com/indexmap-rs/indexmap/blob/master/RELEASES.md)
- [Commits](https://github.com/indexmap-rs/indexmap/compare/2.2.6...2.3.0)

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

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

Cargo.toml

@@ -102,7 +102,7 @@ nix = { version = "0.26.4", default-features = false, features = ["term"] }
 
 [build-dependencies]
 anyhow = "1.0.86"
-indexmap = { version = "2.2.6", features = ["serde"] }
+indexmap = { version = "2.3.0", features = ["serde"] }
 itertools = "0.13.0"
 once_cell = "1.18"
 regex = "1.10.2"