Update to 6 to indicate breaking change / Null-Safety

Author: Illia Romanenko

flutter_vlc_player/CHANGELOG.md

@@ -1,6 +1,7 @@
-## 5.0.6
+## 6.0.0
 * Support Flutter V2 Null Safety
 Credits to Mitch Ross (https://github.com/mitchross)
+  
 ## 5.0.5
 * Added Vlc Subtitle Styling. 
 * Split ios swift code into multiple files for better readability.

flutter_vlc_player/pubspec.yaml

@@ -1,10 +1,11 @@
 name: flutter_vlc_player
 description: A VLC-powered alternative to Flutter's video_player. Supports multiple players on one screen.
-version: 5.0.6
+version: 6.0.0
 homepage: https://github.com/solid-software/flutter_vlc_player/
 
 environment:
   sdk: '>=2.12.0 <3.0.0'
+  flutter: ">=1.12.0"
 
 flutter:
   plugin:
@@ -21,7 +22,7 @@ dependencies:
 
   meta: ^1.3.0
   pedantic: ^1.11.0
-  flutter_vlc_player_platform_interface: 1.0.5
+  flutter_vlc_player_platform_interface: ^1.0.5
 
 dev_dependencies:
   flutter_test: