Update pubspec.yaml

pubspec.yaml

@@ -1,6 +1,6 @@
 name: flutter_quill
 description: A rich text editor supporting mobile and web (Demo App @ bulletjournal.us)
-version: 6.4.2
+version: 6.4.3
 #author: bulletjournal
 homepage: https://bulletjournal.us/home/index.html
 repository: https://github.com/singerdmx/flutter-quill
@@ -12,17 +12,17 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  collection: ^1.16.0
+  collection: ^1.17.1
   flutter_colorpicker: ^1.0.3
-  flutter_keyboard_visibility: ^5.2.0
-  quiver: ^3.1.0
-  tuple: ^2.0.0
-  url_launcher: ^6.1.2
+  flutter_keyboard_visibility: ^5.4.0
+  quiver: ^3.2.1
+  tuple: ^2.0.1
+  url_launcher: ^6.1.9
   pedantic: ^1.11.1
-  characters: ^1.2.0
+  characters: ^1.3.0
   diff_match_patch: ^0.4.1
-  i18n_extension: ^6.0.0
-  device_info_plus: ^8.0.0
+  i18n_extension: ^7.0.0
+  device_info_plus: ^8.1.0
   platform: ^3.1.0
   pasteboard: ^0.2.0