Bump version to 0.3.0

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: malpern

Sources/SketchyBarToggle/main.swift

@@ -2,7 +2,7 @@ import Foundation
 import AppKit
 import SketchyBarToggleCore
 
-let version = "0.2.0"
+let version = "0.3.0"
 
 // MARK: - Parse arguments