build(deps): bump indexmap from 2.13.0 to 2.14.0

Bumps [indexmap](https://github.com/indexmap-rs/indexmap) from 2.13.0 to 2.14.0.
- [Changelog](https://github.com/indexmap-rs/indexmap/blob/main/RELEASES.md)
- [Commits](https://github.com/indexmap-rs/indexmap/compare/2.13.0...2.14.0)

---
updated-dependencies:
- dependency-name: indexmap
  dependency-version: 2.14.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Cargo.toml

@@ -108,7 +108,7 @@ nix = { version = "0.31", default-features = false, features = ["term"] }
 
 [build-dependencies]
 anyhow = "1.0.97"
-indexmap = { version = "2.13.0", features = ["serde"] }
+indexmap = { version = "2.14.0", features = ["serde"] }
 itertools = "0.14.0"
 once_cell = "1.20"
 prettyplease = "0.2.37"