[rosdistro] multimaster_fkie: 0.3.12-0 in 'groovy/distribution.yaml' and 'hydro/distribution.yaml'

Increasing version of package(s) in repository multimaster_fkie to 0.3.12-0:

distro file: groovy/distribution.yaml
bloom version: 0.5.10
previous version for package: 0.3.11-0

distro file: hydro/distribution.yaml
bloom version: 0.5.10
previous version for package: 0.3.11-0