update ru translation
update ru translation

Change-Id: Ie91f1be18de5b23fc801a276eb0abe725e422df5

venturehive/canvas-lms,HotChalk/canvas-lms,HotChalk/canvas-lms,sfu/canvas-lms,grahamb/canvas-lms,matematikk-mooc/canvas-lms,venturehive/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,dgynn/canvas-lms,SwinburneOnline/canvas-lms,dgynn/canvas-lms,dgynn/canvas-lms,instructure/canvas-lms,grahamb/canvas-lms,matematikk-mooc/canvas-lms,instructure/canvas-lms,SwinburneOnline/canvas-lms,instructure/canvas-lms,djbender/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,HotChalk/canvas-lms,venturehive/canvas-lms,djbender/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,HotChalk/canvas-lms,djbender/canvas-lms,SwinburneOnline/canvas-lms,matematikk-mooc/canvas-lms,dgynn/canvas-lms,grahamb/canvas-lms,SwinburneOnline/canvas-lms,grahamb/canvas-lms,venturehive/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,grahamb/canvas-lms,matematikk-mooc/canvas-lms