Bump indexmap from 2.13.0 to 2.13.1

Bumps [indexmap](https://github.com/indexmap-rs/indexmap) from 2.13.0 to 2.13.1.
- [Changelog](https://github.com/indexmap-rs/indexmap/blob/main/RELEASES.md)
- [Commits](https://github.com/indexmap-rs/indexmap/compare/2.13.0...2.13.1)

---
updated-dependencies:
- dependency-name: indexmap
  dependency-version: 2.13.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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