Bump gocui

The main change here is to bump tcell to v2.7.1, which should fix problems with
multibyte characters on Windows.

vendor/github.com/gdamore/tcell/v2/terminfo/terminfo.go

@@ -1,4 +1,4 @@
-// Copyright 2022 The TCell Authors
+// Copyright 2024 The TCell Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use file except in compliance with the License.
@@ -232,6 +232,8 @@ type Terminfo struct {
 	SetWindowSize           string
 	EnableFocusReporting    string
 	DisableFocusReporting   string
+	DisableAutoMargin       string // smam
+	EnableAutoMargin        string // rmam
 }
 
 const (