build: (deps): bump go_router from 16.1.0 to 16.2.1

Bumps [go_router](https://github.com/flutter/packages/tree/main/packages) from 16.1.0 to 16.2.1.
- [Commits](https://github.com/flutter/packages/commits/go_router-v16.2.1/packages)

---
updated-dependencies:
- dependency-name: go_router
  dependency-version: 16.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pubspec.yaml

@@ -47,7 +47,7 @@ dependencies:
   flutter_web_auth_2: ^3.1.1 # Version 4 blocked by https://github.com/MixinNetwork/flutter-plugins/issues/379
   flutter_webrtc: ^1.0.0
   geolocator: ^14.0.2
-  go_router: ^16.1.0
+  go_router: ^16.2.1
   handy_window: ^0.4.0
   html: ^0.15.4
   http: ^1.5.0