build(deps): bump indexmap from 1.5.0 to 1.5.1
Bumps [indexmap](https://github.com/bluss/indexmap) from 1.5.0 to 1.5.1.
- [Release notes](https://github.com/bluss/indexmap/releases)
- [Commits](https://github.com/bluss/indexmap/compare/1.5.0...1.5.1)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>