chore: change Priority.medium to use orange

Todos/Model/Priority.swift

@@ -26,7 +26,7 @@ enum Priority: String, CaseIterable, Identifiable, Codable {
   var style: some ShapeStyle {
     switch self {
     case .low: return .green
-    case .medium: return .blue
+    case .medium: return .orange
     case .high: return .red
     }
   }