Bump middleman from 4.3.6 to 4.3.7 (#14)
Bump middleman from 4.3.6 to 4.3.7 (#14)

Bumps [middleman](https://github.com/middleman/middleman) from 4.3.6 to 4.3.7.
- [Release notes](https://github.com/middleman/middleman/releases)
- [Changelog](https://github.com/middleman/middleman/blob/v4.3.7/CHANGELOG.md)
- [Commits](https://github.com/middleman/middleman/compare/v4.3.6...v4.3.7)

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

Co-authored-by: dependabot-preview[bot] <6a4c1c4838f800d1998274cd5234e1f65c55e90c@users.noreply.github.com>
bcylin/polydicer,bcylin/polydicer,bcylin/polydicer