update ru translation
update ru translation

Change-Id: I0e67c2e37bfdb51e99b6bed2eb28605966531907

venturehive/canvas-lms,sfu/canvas-lms,grahamb/canvas-lms,sfu/canvas-lms,HotChalk/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,fronteerio/canvas-lms,sfu/canvas-lms,HotChalk/canvas-lms,venturehive/canvas-lms,venturehive/canvas-lms,SwinburneOnline/canvas-lms,SwinburneOnline/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,HotChalk/canvas-lms,djbender/canvas-lms,grahamb/canvas-lms,SwinburneOnline/canvas-lms,HotChalk/canvas-lms,fronteerio/canvas-lms,djbender/canvas-lms,grahamb/canvas-lms,fronteerio/canvas-lms,fronteerio/canvas-lms,grahamb/canvas-lms,venturehive/canvas-lms,grahamb/canvas-lms,djbender/canvas-lms,SwinburneOnline/canvas-lms