i18n: add 'Nou tehnician' — was a hardcoded __() key on MasterResource ListMasters

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

lang/en.json

@@ -1124,7 +1124,7 @@
   "Notițe / reclamație": "Notes / complaint",
   "Notițe interne": "Internal notes",
   "Nou": "New",
-  "Nou tehnician": "Nou tehnician",
+  "Nou tehnician": "New technician",
   "Nouă": "New",
   "Nr.": "No.",
   "Nr. dosar daună": "Damage file no.",

lang/ru.json

@@ -1124,7 +1124,7 @@
   "Notițe / reclamație": "Заметки / жалоба",
   "Notițe interne": "Внутренние заметки",
   "Nou": "Новый",
-  "Nou tehnician": "Nou tehnician",
+  "Nou tehnician": "Новый техник",
   "Nouă": "Новая",
   "Nr.": "№",
   "Nr. dosar daună": "№ дела о повреждении",