Update Italian language (#17695)

Marlin/src/lcd/language/language_it.h

   PROGMEM Language_Str MSG_BED_Z                           = _UxGT("Piatto Z");
   PROGMEM Language_Str MSG_NOZZLE                          = _UxGT("Ugello");
   PROGMEM Language_Str MSG_NOZZLE_N                        = _UxGT("Ugello ~");
+  PROGMEM Language_Str MSG_NOZZLE_PARKED                   = _UxGT("Ugello parcheggiato");
+  PROGMEM Language_Str MSG_NOZZLE_STANDBY                  = _UxGT("Ugello in pausa");
   PROGMEM Language_Str MSG_BED                             = _UxGT("Piatto");
   PROGMEM Language_Str MSG_CHAMBER                         = _UxGT("Camera");
   PROGMEM Language_Str MSG_FAN_SPEED                       = _UxGT("Vel. ventola");     // Max 15 characters
   PROGMEM Language_Str MSG_CONTROL_RETRACT_RECOVERF        = _UxGT("UnRet V");
   PROGMEM Language_Str MSG_CONTROL_RETRACT_RECOVER_SWAPF   = _UxGT("S UnRet V");
   PROGMEM Language_Str MSG_AUTORETRACT                     = _UxGT("AutoRitrai");
-  PROGMEM Language_Str MSG_FILAMENT_SWAP_LENGTH            = _UxGT("Dist. ritrazione");
+  PROGMEM Language_Str MSG_FILAMENT_SWAP_LENGTH            = _UxGT("Lunghezza scambio");
+  PROGMEM Language_Str MSG_FILAMENT_SWAP_EXTRA             = _UxGT("Extra scambio");
   PROGMEM Language_Str MSG_FILAMENT_PURGE_LENGTH           = _UxGT("Lunghezza spurgo");
   PROGMEM Language_Str MSG_TOOL_CHANGE                     = _UxGT("Cambio utensile");
   PROGMEM Language_Str MSG_TOOL_CHANGE_ZLIFT               = _UxGT("Risalita Z");
   PROGMEM Language_Str MSG_SINGLENOZZLE_PRIME_SPEED        = _UxGT("Velocità innesco");
   PROGMEM Language_Str MSG_SINGLENOZZLE_RETRACT_SPEED      = _UxGT("Velocità retrazione");
-  PROGMEM Language_Str MSG_NOZZLE_PARKED                   = _UxGT("Ugello Parcheggiato");
-  PROGMEM Language_Str MSG_NOZZLE_STANDBY                  = _UxGT("Standby ugello");
+  PROGMEM Language_Str MSG_FILAMENT_PARK_ENABLED           = _UxGT("Parcheggia testa");
+  PROGMEM Language_Str MSG_SINGLENOZZLE_UNRETRACT_SPEED    = _UxGT("Recover Speed");
+  PROGMEM Language_Str MSG_SINGLENOZZLE_FAN_SPEED          = _UxGT("Velocità ventola");
+  PROGMEM Language_Str MSG_SINGLENOZZLE_FAN_TIME           = _UxGT("Tempo ventola");
+  PROGMEM Language_Str MSG_TOOL_MIGRATION_ON               = _UxGT("Auto ON");
+  PROGMEM Language_Str MSG_TOOL_MIGRATION_OFF              = _UxGT("Auto OFF");
+  PROGMEM Language_Str MSG_TOOL_MIGRATION                  = _UxGT("Migrazione utensile");
+  PROGMEM Language_Str MSG_TOOL_MIGRATION_AUTO             = _UxGT("Auto-migrazione");
+  PROGMEM Language_Str MSG_TOOL_MIGRATION_END              = _UxGT("Ultimo estrusore");
+  PROGMEM Language_Str MSG_TOOL_MIGRATION_SWAP             = _UxGT("Migra a *");
   PROGMEM Language_Str MSG_FILAMENTCHANGE                  = _UxGT("Cambia filamento");
   PROGMEM Language_Str MSG_FILAMENTCHANGE_E                = _UxGT("Cambia filamento *");
   PROGMEM Language_Str MSG_FILAMENTLOAD                    = _UxGT("Carica filamento");