Bump geocoder from 1.4.9 to 1.5.0 in /backend
Bump geocoder from 1.4.9 to 1.5.0 in /backend

Bumps [geocoder](https://github.com/alexreisner/geocoder) from 1.4.9 to 1.5.0.
- [Release notes](https://github.com/alexreisner/geocoder/releases)
- [Changelog](https://github.com/alexreisner/geocoder/blob/master/CHANGELOG.md)
- [Commits](https://github.com/alexreisner/geocoder/compare/v1.4.9...v1.5.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
roschaefer/rundfunk-mitbestimmen,roschaefer/rundfunk-mitbestimmen,roschaefer/rundfunk-mitbestimmen