Release 2.2.1: universal macOS DMG and arch install fix.

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/appui/index.html

@@ -725,7 +725,7 @@
       <div class="brand-wrap">
         <div class="brand-row">
           <h1 class="brand">Navis</h1>
-          <span class="badge-ver">2.2</span>
+          <span class="badge-ver">2.2.1</span>
         </div>
         <p class="tagline">Быстрый клиент · Naive · Hy2 · AWG · Xray</p>
       </div>

internal/update/update.go

@@ -17,7 +17,7 @@ import (
 )
 
 // CurrentVersion is the shipped client version.
-const CurrentVersion = "2.2.0"
+const CurrentVersion = "2.2.1"
 
 // DefaultManifestURL is the update feed (hosted in the project git repo).
 const DefaultManifestURL = "https://git.evilfox.cc/test2/navi/raw/branch/main/dist/update.json"