更新msix版本

Author: Zhoucheng133

pubspec.yaml

@@ -46,7 +46,7 @@ msix_config:
   display_name: Bit Flow
   publisher_display_name: ZhouCheng
   identity_name: ZhouCheng.BitFlow
-  msix_version: 1.1.11.0
+  msix_version: 1.2.0.0
   logo_path: assets/icon.png
   trim_logo: false
   capabilities: internetClient, internetClientServer