Consolidated NuGet package versions

samples/ControlCatalog.Android/ControlCatalog.Android.csproj

@@ -159,7 +159,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="System.Reactive">
-      <Version>3.1.1</Version>
+      <Version>3.0.0</Version>
     </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\Android\Xamarin.Android.CSharp.targets" />

tests/Avalonia.Markup.UnitTests/Avalonia.Markup.UnitTests.csproj

@@ -114,7 +114,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Reactive.Testing" Version="3.0.0" />
     <PackageReference Include="Moq" Version="4.7.1" />
-    <PackageReference Include="System.ComponentModel.Annotations" Version="4.1.0" />
+    <PackageReference Include="System.ComponentModel.Annotations" Version="4.3.0" />
     <PackageReference Include="System.Reactive" Version="3.0.0" />
     <PackageReference Include="System.Reactive.Core" Version="3.0.0" />
     <PackageReference Include="System.Reactive.Interfaces" Version="3.0.0" />

tests/Avalonia.Markup.Xaml.UnitTests/Avalonia.Markup.Xaml.UnitTests.csproj

@@ -159,7 +159,7 @@
   -->
   <ItemGroup>
     <PackageReference Include="Moq" Version="4.7.1" />
-    <PackageReference Include="Splat" Version="1.6.2" />
+    <PackageReference Include="Splat" Version="2.0.0" />
     <PackageReference Include="Sprache" Version="2.1.0" />
     <PackageReference Include="System.Reactive.Core" Version="3.0.0" />
     <PackageReference Include="System.Reactive.Interfaces" Version="3.0.0" />