Bump Xamarin.Auth to v1.2.2
Bump Xamarin.Auth to v1.2.2

xamarin/Xamarin.Social,aphex3k/Xamarin.Social,moljac/Xamarin.Social,pacificIT/Xamarin.Social,junian/Xamarin.Social,aphex3k/Xamarin.Social,xamarin/Xamarin.Social,pacificIT/Xamarin.Social,moljac/Xamarin.Social,junian/Xamarin.Social