Skip "newly added code executes during hot restart - canvaskit" (#86885)

https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20web_tool_tests/2880/overview

packages/flutter_tools/test/web.shard/hot_reload_web_test.dart

@@ -70,5 +70,5 @@ void main() {
     } finally {
       await subscription.cancel();
     }
-  });
+  }, skip: true); // Skipping for https://github.com/flutter/flutter/issues/85575.
 }