build(deps): bump go_router from 13.2.0 to 14.1.2 in /example

Bumps [go_router](https://github.com/flutter/packages/tree/main/packages) from 13.2.0 to 14.1.2.
- [Release notes](https://github.com/flutter/packages/releases)
- [Commits](https://github.com/flutter/packages/commits/go_router-v14.1.2/packages)

---
updated-dependencies:
- dependency-name: go_router
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

example/pubspec.lock

@@ -264,10 +264,10 @@ packages:
     dependency: "direct main"
     description:
       name: go_router
-      sha256: "170c46e237d6eb0e6e9f0e8b3f56101e14fb64f787016e42edd74c39cf8b176a"
+      sha256: aa073287b8f43553678e6fa9e8bb9c83212ff76e09542129a8099bbc8db4df65
       url: "https://pub.dev"
     source: hosted
-    version: "13.2.0"
+    version: "14.1.2"
   html:
     dependency: transitive
     description:

example/pubspec.yaml

@@ -8,7 +8,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  go_router: ^13.2.0
+  go_router: ^14.1.2
   swipeable_page_route:
     path: ../