updated Russian translation (#1291)
updated Russian translation (#1291)

@EnderPon Thank you!
dmitrykurmanov/surveyjs,dmitrykurmanov/surveyjs,surveyjs/surveyjs,andrewtelnov/surveyjs,andrewtelnov/surveyjs,dmitrykurmanov/surveyjs,dmitrykurmanov/surveyjs,surveyjs/surveyjs,surveyjs/surveyjs,surveyjs/surveyjs,andrewtelnov/surveyjs