build(deps): bump go_router from 14.8.1 to 15.0.0

Bumps [go_router](https://github.com/flutter/packages/tree/main/packages) from 14.8.1 to 15.0.0.
- [Release notes](https://github.com/flutter/packages/releases)
- [Commits](https://github.com/flutter/packages/commits/go_router-v15.0.0/packages)

---
updated-dependencies:
- dependency-name: go_router
  dependency-version: 15.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pubspec.lock

@@ -369,10 +369,10 @@ packages:
     dependency: "direct main"
     description:
       name: go_router
-      sha256: f02fd7d2a4dc512fec615529824fdd217fecb3a3d3de68360293a551f21634b3
+      sha256: "4cdfcc6a178632d1dbb7a728f8e84a1466211354704b9cdc03eee661d3277732"
       url: "https://pub.dev"
     source: hosted
-    version: "14.8.1"
+    version: "15.0.0"
   google_fonts:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -21,7 +21,7 @@ dependencies:
   flutter_localizations:
     sdk: flutter
   flutter_native_splash: ^2.4.5
-  go_router: ^14.8.1
+  go_router: ^15.0.0
   google_fonts: ^6.2.1
   ht_authentication_client:
     git: