deps(gui-ubuntupro): bump wizard_router in /gui/packages/ubuntupro

Bumps [wizard_router](https://github.com/canonical/ubuntu-flutter-plugins/tree/main/packages) from 1.2.0 to 1.4.0.
- [Release notes](https://github.com/canonical/ubuntu-flutter-plugins/releases)
- [Changelog](https://github.com/canonical/ubuntu-flutter-plugins/blob/main/CHANGELOG.md)
- [Commits](https://github.com/canonical/ubuntu-flutter-plugins/commits/wizard_router-v1.4.0/packages)

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

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

gui/packages/ubuntupro/pubspec.lock

@@ -286,10 +286,10 @@ packages:
     dependency: transitive
     description:
       name: flow_builder
-      sha256: e5f7c0fbff5ac9c4c65728939e00d96c288e2a482ec740d2d57562d7e918e5f2
+      sha256: "9e66aa7209e9a31c347bb316abf191d2300db41cd6b7254f89abd4e76d9b3f8d"
       url: "https://pub.dev"
     source: hosted
-    version: "0.0.10"
+    version: "0.1.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -754,10 +754,10 @@ packages:
     dependency: transitive
     description:
       name: safe_change_notifier
-      sha256: "8d0645ec2706f580912c38de488439ddb491be48247826927b7bc2e54ea8f7af"
+      sha256: e7cce266bfede647355866fa3bd054feda57c220d2383f4203f28d4dcdb3b82e
       url: "https://pub.dev"
     source: hosted
-    version: "0.3.2"
+    version: "0.4.0"
   screen_retriever:
     dependency: transitive
     description:
@@ -1103,10 +1103,10 @@ packages:
     dependency: "direct main"
     description:
       name: wizard_router
-      sha256: d0111e4ef486a3abe7d14930b7485c04df1dc41dbfe70ace136ea4c7d4cd5b51
+      sha256: "6e0445f272d96c686556a562416188f46bdcb9358d8d8d953419030cad5f5ca6"
       url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.4.0"
   xdg_directories:
     dependency: transitive
     description:

gui/packages/ubuntupro/pubspec.yaml

@@ -60,7 +60,7 @@ dependencies:
   win32: ^5.8.0
   win32_registry: ^1.1.5
   windows_single_instance: ^1.0.1
-  wizard_router: ^1.2.0
+  wizard_router: ^1.4.0
   yaru: ^5.3.2
 
 dev_dependencies: