chore: upgrade to flutter 3.32.4 (#1123)

pubspec.yaml

@@ -1,12 +1,12 @@
 name: "appflowy_editor"
 
-version: 5.2.0
+version: 6.0.0
 
 homepage: "https://github.com/AppFlowy-IO/appflowy-editor"
 
 environment:
-  sdk: ">=3.4.0 <4.0.0"
-  flutter: ">=3.27.0"
+  sdk: ">=3.6.0 <4.0.0"
+  flutter: ">=3.32.0"
 
 description: A highly customizable rich-text editor for Flutter. The AppFlowy
   Editor project for AppFlowy and beyond.
@@ -15,13 +15,13 @@ dependencies:
   collection: "^1.18.0"
   device_info_plus: "^11.0.0"
   diff_match_patch: "^0.4.1"
-  file_picker: "^8.0.2"
+  file_picker: ^10.2.0
   flutter:
     sdk: flutter
   flutter_svg: "^2.0.6"
   html: ^0.15.5
   http: "^1.2.0"
-  intl: "^0.19.0"
+  intl: "^0.20.2"
   keyboard_height_plugin: "^0.1.5"
   logging: "^1.2.0"
   markdown: "^7.2.1"
@@ -36,7 +36,7 @@ dependencies:
   url_launcher: "^6.1.11"
 
 dev_dependencies:
-  flutter_lints: ^5.0.0
+  flutter_lints: ^6.0.0
   flutter_localizations:
     sdk: flutter
   flutter_test: