fischerscode/flutter-sudo:3.0.5 is using Flutter 3.0.4

Could you check, please?

```
$ docker run --rm -it fischerscode/flutter-sudo:3.0.5 flutter --version
Flutter 3.0.4 • channel stable • https://github.comiflutter/flutter.git
Framework • revision 85684f9300 (3 weeks ago) • 2022-06-30 13:22:47 -0700
Engine • revision 6ba2aflObb Tools • Dart 2.17.5 • DevTools 2.12.2 
```