Bump msix from 3.9.1 to 3.9.2 in /desktop_photo_search/material (#1728)

Author: dependabot[bot]

desktop_photo_search/material/pubspec.yaml

@@ -41,7 +41,7 @@ dev_dependencies:
   flutter_test:
     sdk: flutter
   grinder: ^0.9.0
-  msix: ^3.6.1
+  msix: ^3.9.2
 
 flutter:
   uses-material-design: true