build(deps): bump file_picker in /examples/flutter

Bumps [file_picker](https://github.com/miguelpruivo/flutter_file_picker) from 10.3.10 to 11.0.3.
- [Release notes](https://github.com/miguelpruivo/flutter_file_picker/releases)
- [Changelog](https://github.com/miguelpruivo/flutter_file_picker/blob/master/CHANGELOG.md)
- [Commits](miguelpruivo/flutter_file_picker@v10.3.10...v11.0.3)

---
updated-dependencies:
- dependency-name: file_picker
  dependency-version: 11.0.3
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

examples/flutter/pubspec.lock

@@ -173,10 +173,10 @@ packages:
     dependency: "direct main"
     description:
       name: file_picker
-      sha256: "57d9a1dd5063f85fa3107fb42d1faffda52fdc948cefd5fe5ea85267a5fc7343"
+      sha256: "29cc1fdb20613876cc7afc529738c1c0f11a9ca159b010edad0c566ac330847e"
       url: "https://pub.dev"
     source: hosted
-    version: "10.3.10"
+    version: "11.0.3"
   file_selector_linux:
     dependency: transitive
     description:

examples/flutter/pubspec.yaml

@@ -30,7 +30,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  file_picker: ^10.3.10
+  file_picker: ^11.0.3
   flutter_secure_storage: ^9.2.4
   flutter_highlight: ^0.7.0
   crypto: ^3.0.7