Pontoon/AMO Frontend: Update Russian (ru)

Co-authored-by: Valery Ledovskoy <[email protected]> (ru)

Author: mozilla-pontoon

locale/ru/LC_MESSAGES/amo.po

@@ -2453,8 +2453,8 @@ msgstr "Пока отзывов нет"
 msgid "Rated %(ratingAverage)s by 1 reviewer"
 msgid_plural "Rated %(ratingAverage)s by %(ratingCount)s reviewers"
 msgstr[0] "Оценено 1 рецензентом на %(ratingAverage)s"
-msgstr[1] ""
-msgstr[2] ""
+msgstr[1] "Оценено %(ratingCount)s рецензентами на %(ratingAverage)s"
+msgstr[2] "Оценено %(ratingCount)s рецензентами на %(ratingAverage)s"
 
 #: src/amo/pages/Addon/index.js:291
 msgid "About this dictionary"