Pontoon: Update Russian (ru) localization of Firefox for Android

Co-authored-by: Valery Ledovskoy <valery@ledovskoy.com>

mozilla-mobile/fenix/app/src/main/res/values-ru/strings.xml

@@ -705,6 +705,11 @@
     <!-- Title of the Nimbus message for add-ons general availability-->
     <string name="addon_ga_message_title" tools:ignore="UnusedResources">Доступны новые дополнения</string>
 
+    <!-- Body of the Nimbus message for add-ons general availability. 'Firefox' intentionally hardcoded here-->
+    <string name="addon_ga_message_body" tools:ignore="UnusedResources">Ознакомьтесь с более чем 100 новыми расширениями, которые позволят вам сделать Firefox своим собственным.</string>
+    <!-- Button text of the Nimbus message for add-ons general availability. -->
+    <string name="addon_ga_message_button" tools:ignore="UnusedResources">Исследуйте дополнения</string>
+
     <!-- Add-on Installation from AMO-->
     <!-- Error displayed when user attempts to install an add-on from AMO (addons.mozilla.org) that is not supported -->
     <string name="addon_not_supported_error" moz:removedIn="120" tools:ignore="UnusedResources">Дополнение не поддерживается</string>
@@ -2357,8 +2362,12 @@
     <!-- Accessibility services actions labels. These will be appended to accessibility actions like "Double tap to.." but not by or applications but by services like Talkback. -->
     <!-- Action label for elements that can be collapsed if interacting with them. Talkback will append this to say "Double tap to collapse". -->
     <string name="a11y_action_label_collapse">свернуть</string>
+    <!-- Current state for elements that can be collapsed if interacting with them. Talkback will dictate this after a state change. -->
+    <string name="a11y_state_label_collapsed">свернуто</string>
     <!-- Action label for elements that can be expanded if interacting with them. Talkback will append this to say "Double tap to expand". -->
     <string name="a11y_action_label_expand">развернуть</string>
+    <!-- Current state for elements that can be expanded if interacting with them. Talkback will dictate this after a state change. -->
+    <string name="a11y_state_label_expanded">развернуто</string>
     <!-- Action label for links to a website containing documentation about a wallpaper collection. Talkback will append this to say "Double tap to open link to learn more about this collection". -->
     <string name="a11y_action_label_wallpaper_collection_learn_more">откройте ссылку, чтобы узнать больше об этом сборнике</string>
     <!-- Action label for links that point to an article. Talkback will append this to say "Double tap to read the article". -->