staticaddr: change min deposit confs from 3 to 6

cmd/loop/staticaddr.go

@@ -484,7 +484,7 @@ func staticAddressLoopIn(ctx *cli.Context) error {
 	if len(depositList.FilteredDeposits) == 0 {
 		errString := fmt.Sprintf("no confirmed deposits available, "+
 			"deposits need at least %v confirmations",
-			deposit.DefaultConfTarget)
+			deposit.MinConfs)
 
 		return errors.New(errString)
 	}

staticaddr/deposit/manager.go

@@ -26,7 +26,7 @@ const (
 	// MinConfs is the minimum number of confirmations we require for a
 	// deposit to be considered available for loop-ins, coop-spends and
 	// timeouts.
-	MinConfs = 3
+	MinConfs = 6
 
 	// MaxConfs is unset since we don't require a max number of
 	// confirmations for deposits.