Update to WinUIEx 2.2 (#4668)

code/TemplateStudioForWinUICs/Templates/Proj/Default/.template.config/template.json

@@ -98,7 +98,7 @@
             "actionId": "0B814718-16A3-4F7F-89F1-69C0F9170EAD",
             "args": {
                 "packageId": "WinUIEx",
-                "version": "2.1",
+                "version": "2.2",
                 "projectPath": "Param_ProjectName\\Param_ProjectName.csproj"
             },
             "continueOnError": true