Build(deps): Bump indexmap from 1.6.2 to 1.7.0

Bumps [indexmap](https://github.com/bluss/indexmap) from 1.6.2 to 1.7.0.
- [Release notes](https://github.com/bluss/indexmap/releases)
- [Commits](indexmap-rs/indexmap@1.6.2...1.7.0)

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

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

Author: dependabot[bot]