⬆️ Upgrade flutter and deps

pubspec.yaml

@@ -45,7 +45,7 @@ dependencies:
   responsive_framework: ^1.5.1
   animations: ^2.0.11
   dio: ^5.7.0
-  dio_smart_retry: ^6.0.0
+  dio_smart_retry: ^7.0.1
   very_good_infinite_list: ^0.9.0
   freezed_annotation: ^2.4.4
   json_annotation: ^4.9.0
@@ -61,7 +61,7 @@ dependencies:
   relative_time: ^5.0.0
   image_picker: ^1.1.2
   cross_file: ^0.3.4+2
-  file_picker: 8.1.4 # pinned due to compile failed on android, https://github.com/miguelpruivo/flutter_file_picker/issues/1643
+  file_picker: ^8.1.5 # pinned due to compile failed on android, https://github.com/miguelpruivo/flutter_file_picker/issues/1643
   croppy: ^1.3.1
   flutter_expandable_fab: ^2.3.0
   dropdown_button2: ^2.3.9
@@ -100,6 +100,7 @@ dependencies:
   intl: ^0.19.0
   screenshot: ^3.0.0
   qr_flutter: ^4.1.0
+  file_saver: ^0.2.14
 
 dev_dependencies:
   flutter_test: