Fix in-lobby regeneration

The regen in stack attack lobbies wasn't applied properly. This commit changes the effect time to allow for regen.

Author: Bloo-dev

data/stack_attack_lobby/functions/area/players_in_queue.mcfunction

@@ -10,7 +10,7 @@ particle minecraft:block light_blue_concrete ~ ~1.0 ~ 0.4 0.8 0.4 0.2 2
 particle minecraft:block yellow_concrete ~ ~1.0 ~ 0.4 0.8 0.4 0.2 2
 
 # effect with regen and saturation
-effect give @s minecraft:regeneration 2 0 true
+effect give @s minecraft:regeneration 3 0 true
 effect give @s minecraft:saturation 2 0 true
 
 # enable join game trigger to print out lobby info if already joined players click the sign