Buffs the Chill (Bubberstation#2290)

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## About The Pull Request
This PR makes the Chill fire mundane events less frequently, as well as
crew antags less frequently. (from every 40m to every hour)
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## Why It's Good For The Game
The Chill currently doesn't feel significantly different from the
Default, only having a difference in Mundane events, which ultimately
aren't the most significant actor.
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## Proof Of Testing
WE DO IT LIVE
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## Changelog

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:cl: ReturnToZender
bal: Makes the Chill spawn antags less frequently, and spawn less
events.
/:cl:

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---------

Co-authored-by: lessthanthree <[email protected]>
Co-authored-by: Waterpig <[email protected]>

modular_zubbers/code/modules/storyteller/storytellers/tellers/storyteller_chill.dm

@@ -15,7 +15,8 @@
 	storyteller_type = STORYTELLER_TYPE_CALM
 
 /datum/storyteller_data/tracks/chill
-	threshold_mundane = 900
+	threshold_mundane = 1800
 	threshold_moderate = 2700
-	threshold_major = 10000
-	threshold_crewset = 2400
+	threshold_major = 16000
+	threshold_crewset = 3600
+	threshold_ghostset = 9000