Update Italian language (#13099)

Marlin/src/lcd/language/language_it.h

@@ -395,6 +395,36 @@
 #define MSG_ERR_PROBING_FAILED              _UxGT("Sondaggio fallito")
 #define MSG_M600_TOO_COLD                   _UxGT("M600:Troppo freddo")
 
+#define MSG_MMU2_FILAMENT_CHANGE_HEADER     _UxGT("CAMBIO FILAMENTO")
+#define MSG_MMU2_CHOOSE_FILAMENT_HEADER     _UxGT("SCELTA FILAMENTO")
+#define MSG_MMU2_MENU                       _UxGT("MMU")
+#define MSG_MMU2_WRONG_FIRMWARE             _UxGT("Agg.firmware MMU!")
+#define MSG_MMU2_NOT_RESPONDING             _UxGT("MMU needs attention.")
+#define MSG_MMU2_RESUME                     _UxGT("Riprendi stampa")
+#define MSG_MMU2_RESUMING                   _UxGT("Ripresa...")
+#define MSG_MMU2_LOAD_FILAMENT              _UxGT("Carica filamento")
+#define MSG_MMU2_LOAD_ALL                   _UxGT("Carica tutto")
+#define MSG_MMU2_LOAD_TO_NOZZLE             _UxGT("Load to nozzle")
+#define MSG_MMU2_EJECT_FILAMENT             _UxGT("Espelli filamento")
+#define MSG_MMU2_EJECT_FILAMENT0            _UxGT("Espelli filam.1")
+#define MSG_MMU2_EJECT_FILAMENT1            _UxGT("Espelli filam.2")
+#define MSG_MMU2_EJECT_FILAMENT2            _UxGT("Espelli filam.3")
+#define MSG_MMU2_EJECT_FILAMENT3            _UxGT("Espelli filam.4")
+#define MSG_MMU2_EJECT_FILAMENT4            _UxGT("Espelli filam.5")
+#define MSG_MMU2_UNLOAD_FILAMENT            _UxGT("Scarica filamento")
+#define MSG_MMU2_LOADING_FILAMENT           _UxGT("Caric.fil. %i...")
+#define MSG_MMU2_EJECTING_FILAMENT          _UxGT("Esplus.filam. ...")
+#define MSG_MMU2_UNLOADING_FILAMENT         _UxGT("Scaric.filam. ...")
+#define MSG_MMU2_ALL                        _UxGT("Tutto")
+#define MSG_MMU2_FILAMENT0                  _UxGT("Filamento 1")
+#define MSG_MMU2_FILAMENT1                  _UxGT("Filamento 2")
+#define MSG_MMU2_FILAMENT2                  _UxGT("Filamento 3")
+#define MSG_MMU2_FILAMENT3                  _UxGT("Filamento 4")
+#define MSG_MMU2_FILAMENT4                  _UxGT("Filamento 5")
+#define MSG_MMU2_RESET                      _UxGT("Azzera MMU")
+#define MSG_MMU2_RESETTING                  _UxGT("Azzeramento MMU...")
+#define MSG_MMU2_EJECT_RECOVER              _UxGT("Rimuovi, click")
+
 //
 // Le schermate di Cambio Filamento possono visualizzare fino a 3 linee su un display a 4 righe
 //                                                  ...o fino a 2 linee su un display a 3 righe.