Add carrot shiv suicide message (#44108)

Not much to say here.

code/game/objects/items/kitchen.dm

@@ -165,6 +165,10 @@
 	attack_verb = list("shanked", "shivved")
 	armor = list("melee" = 0, "bullet" = 0, "laser" = 0, "energy" = 0, "bomb" = 0, "bio" = 0, "rad" = 0, "fire" = 0, "acid" = 0)
 
+/obj/item/kitchen/knife/carrotshiv/suicide_act(mob/living/carbon/user)
+	user.visible_message("<span class='suicide'>[user] forcefully drives \the [src] into [user.p_their()] eye! It looks like [user.p_theyre()] trying to commit suicide!</span>")
+	return BRUTELOSS
+
 /obj/item/kitchen/rollingpin
 	name = "rolling pin"
 	desc = "Used to knock out the Bartender."