build(deps): bump indexmap from 1.8.1 to 1.8.2

Bumps [indexmap](https://github.com/bluss/indexmap) from 1.8.1 to 1.8.2.
- [Release notes](https://github.com/bluss/indexmap/releases)
- [Changelog](https://github.com/bluss/indexmap/blob/1.8.2/RELEASES.rst)
- [Commits](indexmap-rs/indexmap@1.8.1...1.8.2)

---
updated-dependencies:
- dependency-name: indexmap
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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