Bump jQuery.Validation in /tests/DevApps/aspnet-mvc/OwinWebApp (#2258)

Bumps jQuery.Validation from 1.19.3 to 1.19.4.

---
updated-dependencies:
- dependency-name: jQuery.Validation
  dependency-type: direct:production
...

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tests/DevApps/aspnet-mvc/OwinWebApp/OwinWebApp.csproj

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
@@ -150,7 +150,7 @@
       <Version>3.4.1</Version>
     </PackageReference>
     <PackageReference Include="jQuery.Validation">
-      <Version>1.19.3</Version>
+      <Version>1.19.4</Version>
     </PackageReference>
     <PackageReference Include="Microsoft.AspNet.Mvc">
       <Version>5.2.7</Version>