fix(ios): add localization support for iOS build

- Add flutter_localizations and intl to pubspec_ios.yaml

- Add generate: true flag for l10n code generation

- Add CFBundleLocalizations to Info.plist with all supported languages

- Update http to ^1.6.0 and material_color_utilities to ^0.13.0

- Update file_picker to ^10.3.8

pubspec.yaml

@@ -27,7 +27,7 @@ dependencies:
   path_provider: ^2.1.5
 
   # HTTP & Network
-  http: ^1.4.0
+  http: ^1.6.0
   dio: ^5.8.0
 
   # UI Components
@@ -37,13 +37,13 @@ dependencies:
 
   # Material Expressive 3 / Dynamic Color
   dynamic_color: ^1.7.0
-  material_color_utilities: ^0.11.1
+  material_color_utilities: ^0.13.0
 
   # Permissions
   permission_handler: ^12.0.1
 
   # File Picker
-  file_picker: ^10.3.0
+  file_picker: ^10.3.8
 
   # JSON Serialization
   json_annotation: ^4.9.0