Bump ex_doc from 0.21.0 to 0.21.1 (#85)
Bump ex_doc from 0.21.0 to 0.21.1 (#85)

Bumps [ex_doc](https://github.com/elixir-lang/ex_doc) from 0.21.0 to 0.21.1.
- [Release notes](https://github.com/elixir-lang/ex_doc/releases)
- [Changelog](https://github.com/elixir-lang/ex_doc/blob/master/CHANGELOG.md)
- [Commits](https://github.com/elixir-lang/ex_doc/compare/v0.21.0...v0.21.1)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
dragonwasrobot/json-schema-to-elm