Lowers the Heist readied player requirement and minimum antags (#4023)

code/game/gamemodes/heist/heist.dm

@@ -6,8 +6,8 @@ VOX HEIST ROUNDTYPE
 /datum/game_mode/heist
 	name = "heist"
 	config_tag = "heist"
-	required_players = 15
-	required_enemies = 4
+	required_players = 12
+	required_enemies = 3
 	round_description = "An unidentified bluespace signature has slipped past the Icarus and is approaching the station!"
 	extended_round_description = "The galaxy is a place full of dangers, even the inner colonies are not free of such scourges. \
 	Raiders and pirates are a well-know threat in the inhabited space, and places such as space stations are easy targets \

html/changelogs/MattAtlas-PR-4023.yml

@@ -0,0 +1,4 @@
+author: MattAtlas
+delete-after: True
+changes: 
+  - tweak: "Changed the Heist readied-player requirement down from 15 to 12. Also modified minimum raiders down from 4 to 3."