deps(dotnet): Bump Splat from 20.0.0 to 20.2.0

---
updated-dependencies:
- dependency-name: Splat
  dependency-version: 20.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -35,7 +35,7 @@
     <!-- Reactive Extensions -->
     <PackageVersion Include="System.Reactive" Version="6.1.0" />
     <PackageVersion Include="ReactiveUI" Version="22.3.1" />
-    <PackageVersion Include="Splat" Version="20.0.0" />
+    <PackageVersion Include="Splat" Version="20.2.0" />
     <PackageVersion Include="Splat.NLog" Version="20.0.0" />
     <!-- Windows Desktop (WPF/WinForms) -->
     <PackageVersion Include="Microsoft.Xaml.Behaviors.Wpf" Version="1.1.142" />