Increase DefaultGasAdjustment to fix --gas=auto interaction (evmos#20)

Co-authored-by: Vladislav Varadinov <vladislav.varadinov@gmail.com>

Author: austinchandra

client/flags/flags.go

@@ -15,7 +15,7 @@ const (
 	// DefaultGasAdjustment is applied to gas estimates to avoid tx execution
 	// failures due to state changes that might occur between the tx simulation
 	// and the actual run.
-	DefaultGasAdjustment = 1.2
+	DefaultGasAdjustment = 1.3
 	DefaultGasLimit      = 200000
 
 	FlagAuto = "auto"