build(deps): bump indexmap from 2.7.1 to 2.9.0

Bumps [indexmap](https://github.com/indexmap-rs/indexmap) from 2.7.1 to 2.9.0.
- [Changelog](https://github.com/indexmap-rs/indexmap/blob/main/RELEASES.md)
- [Commits](indexmap-rs/indexmap@2.7.1...2.9.0)

---
updated-dependencies:
- dependency-name: indexmap
  dependency-version: 2.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -23,7 +23,7 @@ include = ["Cargo.toml", "LICENSE", "README.md", "src/**", "tests/**", "examples
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-indexmap = "2.7.0"
+indexmap = "2.9.0"
 # for debug logs in tests
 log = "0.4.27"
 priority-queue = "2.3.1"