Bump google_maps_flutter_web from 0.4.0+9 to 0.5.0 in /google_maps (#1856)

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Bumps
[google_maps_flutter_web](https://github.com/flutter/packages/tree/main/packages/google_maps_flutter)
from 0.4.0+9 to 0.5.0.
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google_maps/pubspec.yaml

@@ -11,7 +11,7 @@ dependencies:
     sdk: flutter
   cupertino_icons: ^1.0.2
   google_maps_flutter: ^2.2.1
-  google_maps_flutter_web: ^0.4.0+3
+  google_maps_flutter_web: ^0.5.0
   http: ^1.0.0
   json_annotation: ^4.7.0
   json_serializable: ^6.5.4