Bump indexmap from 1.3.1 to 1.3.2 (#450)
Bump indexmap from 1.3.1 to 1.3.2 (#450)

Bumps [indexmap](https://github.com/bluss/indexmap) from 1.3.1 to 1.3.2.
- [Release notes](https://github.com/bluss/indexmap/releases)
- [Commits](https://github.com/bluss/indexmap/compare/1.3.1...1.3.2)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
alex/otp-cop