Update language_ca.h

Add 4th extruder

Marlin/language_ca.h

 #define MSG_PREHEAT_PLA0                    "Preescalfar PLA 1"
 #define MSG_PREHEAT_PLA1                    "Preescalfar PLA 2"
 #define MSG_PREHEAT_PLA2                    "Preescalfar PLA 3"
-#define MSG_PREHEAT_PLA012                  "Preesc. tot PLA"
+#define MSG_PREHEAT_PLA3                    "Preescalfar PLA 4"
+#define MSG_PREHEAT_PLA0123                 "Preesc. tot PLA"
 #define MSG_PREHEAT_PLA_BEDONLY             "Preesc. llit PLA"
 #define MSG_PREHEAT_PLA_SETTINGS            "Configuració PLA"
 #define MSG_PREHEAT_ABS                     "Preescalfar ABS"
 #define MSG_PREHEAT_ABS0                    "Preescalfar ABS 1"
 #define MSG_PREHEAT_ABS1                    "Preescalfar ABS 2"
 #define MSG_PREHEAT_ABS2                    "Preescalfar ABS 3"
-#define MSG_PREHEAT_ABS012                  "Preesc. tot ABS"
+#define MSG_PREHEAT_ABS3                    "Preescalfar ABS 4"
+#define MSG_PREHEAT_ABS0123                 "Preesc. tot ABS"
 #define MSG_PREHEAT_ABS_BEDONLY             "Preesc. llit ABS"
 #define MSG_PREHEAT_ABS_SETTINGS            "Configuració ABS"
 #define MSG_COOLDOWN                        "Refredar"