Pontoon: Update Welsh (cy) localization of Test Pilot Website
Pontoon: Update Welsh (cy) localization of Test Pilot Website

Localization authors:
- Rhoslyn Prys <rprys@posteo.net>

mozilla/idea-town,mozilla/idea-town,mozilla/idea-town-server,mozilla/idea-town,flodolo/testpilot,mozilla/idea-town-server,flodolo/testpilot,flodolo/testpilot,mozilla/idea-town,mozilla/idea-town-server,flodolo/testpilot,mozilla/idea-town-server