Translated using Weblate (#3549)

Co-authored-by: Daniel <danchao@freedom.net.tw>
Co-authored-by: Eric <hamburger1024@mailbox.org>
Co-authored-by: J. Lavoie <j.lavoie@net-c.ca>
Co-authored-by: Kevin Papst <kevin@kevinpapst.de>
Co-authored-by: Nguyễn Hoàng Minh <mingu03@yandex.com>
Co-authored-by: SC <lalocas@protonmail.com>
Co-authored-by: SHINJI.K <shinkuroshi@gmail.com>
Co-authored-by: adam Petro <grimnoobster@gmail.com>
Co-authored-by: office256 <ohofman@seznam.cz>
Co-authored-by: power meshal <powermeshal@gmail.com>
Co-authored-by: Мистер Перевод <sergei@racingrebel.com>
Co-authored-by: 이정희 <daemul72@gmail.com>

translations/validators.ru.xlf

@@ -58,6 +58,14 @@
         <source>At least one team leader must be assigned to the team.</source>
         <target>В команде должен быть назначен хотя бы один руководитель.</target>
       </trans-unit>
+      <trans-unit id="INlaCgW" resname="An equal email is already used.">
+        <source>An equal email is already used.</source>
+        <target state="translated">Введённый адрес электронной почты уже используется.</target>
+      </trans-unit>
+      <trans-unit id="ekO5eXI" resname="An equal username is already used.">
+        <source>An equal username is already used.</source>
+        <target state="translated">Имя пользователя уже используется.</target>
+      </trans-unit>
     </body>
   </file>
 </xliff>