Update example depencencies

Author: r8

example/pubspec.lock

@@ -151,17 +151,17 @@ packages:
     dependency: "direct main"
     description:
       name: shelf
-      sha256: c24a96135a2ccd62c64b69315a14adc5c3419df63b4d7c05832a346fdb73682c
+      sha256: ad29c505aee705f41a4d8963641f91ac4cee3c8fad5947e033390a7bd8180fa4
       url: "https://pub.dev"
     source: hosted
-    version: "1.4.0"
+    version: "1.4.1"
   shelf_flutter_asset:
     dependency: "direct main"
     description:
       path: ".."
       relative: true
     source: path
-    version: "0.0.2"
+    version: "0.0.3"
   sky_engine:
     dependency: transitive
     description: flutter