fix(deps): update dependency xml to v7

Author: renovate[bot]

packages/neon_framework/pubspec.yaml

@@ -71,7 +71,7 @@ dependencies:
   vector_graphics: ^1.0.0
   web: ^1.0.0
   window_manager: ^0.5.0
-  xml: ^6.0.0
+  xml: ^7.0.1
 
 dev_dependencies:
   bloc_test: ^10.0.0