build: (deps): bump go_router from 15.1.2 to 16.0.0

Bumps [go_router](https://github.com/flutter/packages/tree/main/packages) from 15.1.2 to 16.0.0.
- [Release notes](https://github.com/flutter/packages/releases)
- [Commits](https://github.com/flutter/packages/commits/go_router-v16.0.0/packages)

---
updated-dependencies:
- dependency-name: go_router
  dependency-version: 16.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

pubspec.lock

@@ -835,10 +835,10 @@ packages:
     dependency: "direct main"
     description:
       name: go_router
-      sha256: "0b1e06223bee260dee31a171fb1153e306907563a0b0225e8c1733211911429a"
+      sha256: c489908a54ce2131f1d1b7cc631af9c1a06fac5ca7c449e959192089f9489431
       url: "https://pub.dev"
     source: hosted
-    version: "15.1.2"
+    version: "16.0.0"
   gtk:
     dependency: transitive
     description: