Set mainnet upgrade height

Set mainnet upgrade height

Author: rjan90

build/params_mainnet.go

@@ -99,8 +99,8 @@ const UpgradeThunderHeight = UpgradeLightningHeight + 2880*21
 // 2023-12-12T13:30:00Z
 const UpgradeWatermelonHeight = 3469380
 
-// 2024-04-02T14:00:00Z - Epoch will be updated in final release
-var UpgradeDragonHeight = abi.ChainEpoch(999999999999999)
+// 2024-04-11T14:00:00Z
+var UpgradeDragonHeight = abi.ChainEpoch(3817920)
 
 // This epoch, 120 epochs after the "rest" of the nv22 upgrade, is when we switch to Drand quicknet
 // 2024-04-02T15:00:00Z