build(deps): update ReactiveUI.Testing requirement from 10.* to 11.* (#547)
build(deps): update ReactiveUI.Testing requirement from 10.* to 11.* (#547)

Updates the requirements on [ReactiveUI.Testing](https://github.com/reactiveui/reactiveui) to permit the latest version.
- [Release notes](https://github.com/reactiveui/reactiveui/releases)
- [Commits](https://github.com/reactiveui/reactiveui/compare/10.0.1-preview.2...11.0.1)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
akavache/Akavache,bbqchickenrobot/Akavache