Bump indexmap from 2.2.3 to 2.12.1

Bumps [indexmap](https://github.com/indexmap-rs/indexmap) from 2.2.3 to 2.12.1.
- [Changelog](https://github.com/indexmap-rs/indexmap/blob/main/RELEASES.md)
- [Commits](indexmap-rs/indexmap@2.2.3...2.12.1)

---
updated-dependencies:
- dependency-name: indexmap
  dependency-version: 2.12.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -26,7 +26,7 @@ peg = "0.8.2"
 permutation = "0.4.1"
 string-intern = { version ="0.1.7", default-features = false }
 log = "0.4"
-indexmap = "2.2.3"
+indexmap = "2.12.1"
 
 [dev-dependencies]
 collect-mac = "0.1.0"