Added missing Welsh translations
Added missing Welsh translations


Former-commit-id: 1356c4c72874fa65fabcb0e9398d76534a0401c9
dvla/vrm-retention-online,dvla/vehicles-online,dvla/vehicles-presentation-common,dvla/vrm-retention-online,dvla/vehicles-presentation-common,dvla/vrm-retention-online,dvla/vehicles-presentation-common,dvla/vehicles-online,dvla/vehicles-online,dvla/vrm-retention-online,dvla/vehicles-online