chore(deps): update dependency system.reactive to 6.0.2 (#118)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

src/directory.packages.props

@@ -21,7 +21,7 @@
     <PackageVersion Include="DynamicData" Version="9.4.1" />
     <PackageVersion Include="ReactiveMarbles.Mvvm" Version="1.0.95" />
     <PackageVersion Include="ReactiveMarbles.PropertyChanged" Version="2.0.27" />
-    <PackageVersion Include="System.Reactive" Version="6.0.1" />
+    <PackageVersion Include="System.Reactive" Version="6.0.2" />
   </ItemGroup>
 
   <ItemGroup>