Merge pull request #558 from OffchainLabs/maxarbos-40

params: Change MaxArbosVersionSupported to 40

Author: joshuacolvin0

params/config_arbitrum.go

@@ -44,7 +44,7 @@ const ArbosVersion_FixRedeemGas = ArbosVersion_11
 const ArbosVersion_Stylus = ArbosVersion_30
 const ArbosVersion_StylusFixes = ArbosVersion_31
 const ArbosVersion_StylusChargingFixes = ArbosVersion_32
-const MaxArbosVersionSupported = ArbosVersion_50
+const MaxArbosVersionSupported = ArbosVersion_40
 const MaxDebugArbosVersionSupported = ArbosVersion_50
 const ArbosVersion_Dia = ArbosVersion_50