build(deps-dev): bump brakeman from 4.8.1 to 4.8.2
build(deps-dev): bump brakeman from 4.8.1 to 4.8.2

Bumps [brakeman](https://github.com/presidentbeef/brakeman) from 4.8.1 to 4.8.2.
- [Release notes](https://github.com/presidentbeef/brakeman/releases)
- [Changelog](https://github.com/presidentbeef/brakeman/blob/master/CHANGES.md)
- [Commits](https://github.com/presidentbeef/brakeman/compare/v4.8.1...v4.8.2)

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