build(deps): bump DiffEngine from 6.4.8 to 6.4.9 (#189)

dependabot-preview[bot] · web-flow · commit 04cd633fd4a8 · 2020-12-22T21:30:22.000Z
diff --git a/src/ReactiveUI.Validation.Tests/ReactiveUI.Validation.Tests.csproj b/src/ReactiveUI.Validation.Tests/ReactiveUI.Validation.Tests.csproj
@@ -23,7 +23,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="DiffEngine" Version="6.4.8" />    
+    <PackageReference Include="DiffEngine" Version="6.4.9" />    
   </ItemGroup>
 
   <ItemGroup>
