Bump brakeman from 3.5.0 to 3.7.2
Bump brakeman from 3.5.0 to 3.7.2

Bumps [brakeman](https://github.com/presidentbeef/brakeman) from 3.5.0 to 3.7.2.
- [Release notes](https://github.com/presidentbeef/brakeman/releases)
- [Changelog](https://github.com/presidentbeef/brakeman/blob/master/CHANGES)
- [Commits](https://github.com/presidentbeef/brakeman/compare/v3.5.0...v3.7.2)
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