Pontoon: Update Russian (ru) localization of Thimble
Pontoon: Update Russian (ru) localization of Thimble

Localization authors:
- Victor Bychek <a@bychek.ru>

mozilla/thimble.mozilla.org,mozilla/thimble.mozilla.org,mozilla/thimble.mozilla.org,humphd/thimble.mozilla.org,humphd/thimble.mozilla.org,humphd/thimble.mozilla.org,humphd/thimble.mozilla.org,mozilla/thimble.mozilla.org