[fenix] Import l10n. (https://github.com/mozilla-mobile/fenix/pull/28822)

app/src/main/res/values-ru/strings.xml

@@ -739,10 +739,17 @@
 
     <!-- Text to show users they have one site in the history group section of the History fragment.
     %d is a placeholder for the number of sites in the group. -->
-    <string name="history_search_group_site">%d сайт</string>
+    <string name="history_search_group_site" moz:RemovedIn="111" tools:ignore="UnusedResources">%d сайт</string>
+    <!-- Text to show users they have one page in the history group section of the History fragment.
+    %d is a placeholder for the number of pages in the group. -->
+    <string name="history_search_group_site_1">%d страница</string>
     <!-- Text to show users they have multiple sites in the history group section of the History fragment.
     %d is a placeholder for the number of sites in the group. -->
-    <string name="history_search_group_sites">Сайтов: %d</string>
+    <string name="history_search_group_sites" moz:RemovedIn="111" tools:ignore="UnusedResources">Сайтов: %d</string>
+
+    <!-- Text to show users they have multiple pages in the history group section of the History fragment.
+    %d is a placeholder for the number of pages in the group. -->
+    <string name="history_search_group_sites_1">Страниц: %d</string>
 
     <!-- Option in library for Recently Closed Tabs -->
     <string name="library_recently_closed_tabs">Недавно закрытые вкладки</string>