Update dependency ReactiveUI.WPF to v22

Author: dependencyupdates[bot]

src/Directory.Packages.props

@@ -68,7 +68,7 @@
     <PackageVersion Include="PropertyChanging.Fody" Version="1.31.0" />
     <PackageVersion Include="PublicApiGenerator" Version="11.5.4" />
     <PackageVersion Include="RavenDB.Embedded" Version="6.2.13" />
-    <PackageVersion Include="ReactiveUI.WPF" Version="20.4.1" />
+    <PackageVersion Include="ReactiveUI.WPF" Version="22.3.1" />
     <PackageVersion Include="Seq.Extensions.Logging" Version="9.0.0" />
     <PackageVersion Include="ServiceControl.Contracts" Version="5.1.0" />
     <PackageVersion Include="System.Configuration.ConfigurationManager" Version="10.0.3" />