Bump ReactiveUI.WPF from 20.1.1 to 20.1.63 in /src (#4460)

Bumps [ReactiveUI.WPF](https://github.com/reactiveui/reactiveui) from 20.1.1 to 20.1.63.
- [Release notes](https://github.com/reactiveui/reactiveui/releases)
- [Commits](reactiveui/ReactiveUI@20.1.1...20.1.63)

---
updated-dependencies:
- dependency-name: ReactiveUI.WPF
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/Directory.Packages.props

@@ -58,7 +58,7 @@
     <PackageVersion Include="PropertyChanging.Fody" Version="1.30.3" />
     <PackageVersion Include="PublicApiGenerator" Version="11.1.0" />
     <PackageVersion Include="RavenDB.Embedded" Version="6.2.0" />
-    <PackageVersion Include="ReactiveUI.WPF" Version="20.1.1" />
+    <PackageVersion Include="ReactiveUI.WPF" Version="20.1.63" />
     <PackageVersion Include="ServiceControl.Contracts" Version="5.0.0" />
     <PackageVersion Include="System.Configuration.ConfigurationManager" Version="8.0.1" />
     <PackageVersion Include="System.Diagnostics.PerformanceCounter" Version="8.0.1" />