Adds a new sound for when the janitor proximity mine is activated (#20976)

* Adds sound to the janitor proximity mine

* here comes the sound

* Not necessary

code/game/objects/items/weapons/caution.dm

@@ -51,7 +51,8 @@
 		if(iscarbon(AM) && !isbrain(AM))
 			var/mob/living/carbon/C = AM
 			if(C.m_intent != MOVE_INTENT_WALK)
-				src.visible_message("[src] beeps, \"Running on wet floors is hazardous to your health.\"")
+				visible_message("[src] beeps, \"Sign says walk, asshole.\"")
+				playsound(src, 'sound/misc/sign_says_walk.ogg', 40)
 				explosion(src.loc,-1,0,2)
 				if(ishuman(C))
 					dead_legs(C)