chore: Bump file_picker from 12.0.0-beta.5 to 12.0.0-beta.7

Bumps [file_picker](https://github.com/miguelpruivo/flutter_file_picker) from 12.0.0-beta.5 to 12.0.0-beta.7.
- [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@v12.0.0-beta.5...v12.0.0-beta.7)

---
updated-dependencies:
- dependency-name: file_picker
  dependency-version: 12.0.0-beta.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pubspec.lock

@@ -293,10 +293,10 @@ packages:
     dependency: "direct main"
     description:
       name: file_picker
-      sha256: fc83774ce5bd7ce08168333b5e53dbe9090ec04eb21e7aa7cd7bac921032c934
+      sha256: fdc6a37f715d19f35b131decf1ce39242eeed5ddae18c0818c3eccb731ab76be
       url: "https://pub.dev"
     source: hosted
-    version: "12.0.0-beta.5"
+    version: "12.0.0-beta.7"
   fixnum:
     dependency: transitive
     description:

pubspec.yaml

@@ -42,7 +42,7 @@ dependencies:
   csv: ^8.0.0
   share_plus: ^13.1.0
   path_provider: ^2.1.5
-  file_picker: ^12.0.0-beta.5
+  file_picker: ^12.0.0-beta.7
   flutter_screenutil: ^5.9.3
   flusbserial: ^0.6.0
   inno_bundle: ^0.11.2