Fixed wrong date in perun-slave changelog
Fixed wrong date in perun-slave changelog

CESNET/perun-services,stavamichal/perun-services,stavamichal/perun-services,Laliska/perun-services,zlamalp/perun-services,frhrdina/perun-services,frhrdina/perun-services,Laliska/perun-services,CESNET/perun-services,CESNET/perun-services,stavamichal/perun-services,sustr4/perun-services,frhrdina/perun-services,Laliska/perun-services,sustr4/perun-services,CESNET/perun-services,frhrdina/perun-services,zlamalp/perun-services,stavamichal/perun-services,sustr4/perun-services,Laliska/perun-services,zlamalp/perun-services,sustr4/perun-services,zlamalp/perun-services