build(deps): bump file_picker from 10.3.7 to 10.3.8 (#175)

Bumps [file_picker](https://github.com/miguelpruivo/flutter_file_picker) from 10.3.7 to 10.3.8.
- [Release notes](https://github.com/miguelpruivo/flutter_file_picker/releases)
- [Changelog](https://github.com/miguelpruivo/flutter_file_picker/blob/master/CHANGELOG.md)
- [Commits](https://github.com/miguelpruivo/flutter_file_picker/compare/v10.3.7...v10.3.8)

---
updated-dependencies:
- dependency-name: file_picker
  dependency-version: 10.3.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pubspec.lock

@@ -397,10 +397,10 @@ packages:
     dependency: "direct main"
     description:
       name: file_picker
-      sha256: "7872545770c277236fd32b022767576c562ba28366204ff1a5628853cf8f2200"
+      sha256: d974b6ba2606371ac71dd94254beefb6fa81185bde0b59bdc1df09885da85fde
       url: "https://pub.dev"
     source: hosted
-    version: "10.3.7"
+    version: "10.3.8"
   file_sizes:
     dependency: "direct main"
     description: