Bumps [indexmap](https://github.com/bluss/indexmap) from 1.4.0 to 1.5.0.
- [Release notes](https://github.com/bluss/indexmap/releases)
- [Commits](bluss/indexmap@1.4.0...1.5.0)

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