chore(translate): update Russian

Currently translated at 19.5% (48 of 245 strings)
Translation: SimpleEmail/Translations
Translate-URL: https://hosted.weblate.org/projects/simple-email/translations/ru/

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

@@ -260,4 +260,6 @@
     <string name="title_show_details">See details</string>
     <string name="title_no_accounts_yet">You don\'t have accounts configured yet</string>
     <string name="title_no_identities_yet">You don\'t have identities configured yet</string>
+    <string name="title_try_text">Пригласить в:</string>
+    <string name="title_try_subject">Попробуйте SimpleEmail</string>
 </resources>