Update languages.py (#4377)
Update languages.py (#4377)

- PT by @HelioGuilherme66 
- BT-BR by @HelioGuilherme66 
- DE by @Snooz82 and @Noordsestern
- NL by @Heatzone87 and @leeuwe
- CS by @MoreFamed
- FR
robotframework/robotframework,robotframework/robotframework,robotframework/robotframework