bot (deps): bump reactiveui from 12.1.5 to 13.0.1 in /Cosmic.NET (#6)

Author: dependabot[bot]

Cosmic.NET/Cosmic.NET.WPF/Cosmic.NET.WPF.csproj

@@ -18,7 +18,7 @@
     <ProjectReference Include="..\cosmo\Cosmo.csproj" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="reactiveui" Version="12.1.5" />
+    <PackageReference Include="reactiveui" Version="13.0.1" />
     <PackageReference Include="ReactiveUI.WPF" Version="13.0.1" />
   </ItemGroup>
   <ItemGroup>

Cosmic.NET/cosmo/Cosmo.csproj

@@ -7,6 +7,6 @@
     <Copyright>Copyright © Joshua Kempner 2008-2020</Copyright>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="reactiveui" Version="12.1.5" />
+    <PackageReference Include="reactiveui" Version="13.0.1" />
   </ItemGroup>
 </Project>