Translated using Weblate (#4576)

Co-authored-by: Bálint László <blaszlobors@gmail.com>
Co-authored-by: Massimo Pissarello <mapi68@gmail.com>
Co-authored-by: Saveliy <jitropolit@gmail.com>
Co-authored-by: Yaron Shahrabani <sh.yaron@gmail.com>
Co-authored-by: gallegonovato <fran-carro@hotmail.es>
Co-authored-by: yangyangdaji <1504305527@qq.com>

translations/invoice-calculator.ru.xlf

@@ -50,6 +50,10 @@
         <source>date_user</source>
         <target state="translated">Дата и пользователь</target>
       </trans-unit>
+      <trans-unit id="KWX.j1b" resname="invoice_calculator.help">
+        <source>invoice_calculator.help</source>
+        <target state="translated">Выберите, по каким полям должны быть сгруппированы элементы счета-фактуры</target>
+      </trans-unit>
     </body>
   </file>
 </xliff>