Upgrade to flutter_inappwebview 6.0.0

[aososam]

After Upgrading to MacOS Sequoia flutter_inappwebview 5.8.0 stopped working.
flutter-crisp depends on flutter_inappwebview ^5.3.2 so I cant upgrade it.
Please upgrade to latest version 6.0.0 of flutter_inappwebview.

Thank you.