fix: build: pdate UpgradePhoenixHeight to -26 in inteop (#12106)

Co-authored-by: fsgerse <173036932+fsgerse@users.noreply.github.com>

build/params_interop.go

@@ -55,11 +55,10 @@ var UpgradeLightningHeight = abi.ChainEpoch(-22)
 var UpgradeThunderHeight = abi.ChainEpoch(-23)
 var UpgradeWatermelonHeight = abi.ChainEpoch(-24)
 var UpgradeDragonHeight = abi.ChainEpoch(-25)
+var UpgradePhoenixHeight = abi.ChainEpoch(-26)
 
 const UpgradeWaffleHeight = 50
 
-const UpgradePhoenixHeight = UpgradeDragonHeight + 100
-
 // This fix upgrade only ran on calibrationnet
 const UpgradeWatermelonFixHeight = -1