Bump indexmap from 2.7.1 to 2.8.0

Bumps [indexmap](https://github.com/indexmap-rs/indexmap) from 2.7.1 to 2.8.0.
- [Changelog](https://github.com/indexmap-rs/indexmap/blob/main/RELEASES.md)
- [Commits](indexmap-rs/indexmap@2.7.1...2.8.0)

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

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

Author: dependabot[bot]

Cargo.lock

@@ -73,7 +73,7 @@ features = ["tokio"]
 version = "0.3.3"
 
 [dependencies.indexmap]
-version = "2.7.1"
+version = "2.8.0"
 features = ["serde"]
 
 [dependencies.log]