cmd: increase max miner fee multiplier

Author: yyforyongyu

cmd/loop/main.go

@@ -260,7 +260,7 @@ func getOutLimits(amt btcutil.Amount,
 
 		// Apply a multiplier to the estimated miner fee, to not get
 		// the swap canceled because fees increased in the mean time.
-		maxMinerFee: btcutil.Amount(quote.HtlcSweepFeeSat) * 100,
+		maxMinerFee: btcutil.Amount(quote.HtlcSweepFeeSat) * 250,
 
 		maxSwapFee:   btcutil.Amount(quote.SwapFeeSat),
 		maxPrepayAmt: maxPrepayAmt,