chore(dependencies): Bump brakeman from 4.1.0 to 4.1.1 in /backend
chore(dependencies): Bump brakeman from 4.1.0 to 4.1.1 in /backend

Bumps [brakeman](https://github.com/presidentbeef/brakeman) from 4.1.0 to 4.1.1.
- [Release notes](https://github.com/presidentbeef/brakeman/releases/tag/v4.1.1)
- [Changelog](https://github.com/presidentbeef/brakeman/blob/master/CHANGES.md)
- [Commits](https://github.com/presidentbeef/brakeman/compare/v4.1.0...v4.1.1)
roschaefer/rundfunk-mitbestimmen,roschaefer/rundfunk-mitbestimmen,roschaefer/rundfunk-mitbestimmen