chore(deps): update dependency system.reactive to 6.1.0 (#408)

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

Author: renovate[bot]

src/Punchclock/Punchclock.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Reactive" Version="6.0.2" />
+    <PackageReference Include="System.Reactive" Version="6.1.0" />
   </ItemGroup>
 
 </Project>