Bump jQuery.Validation in /samples/RemoteAuth/Identity/MvcApp (#439)

Bumps jQuery.Validation from 1.17.0 to 1.19.4.

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

samples/RemoteAuth/Identity/MvcApp/packages.config

@@ -4,7 +4,7 @@
   <package id="bootstrap" version="3.4.1" targetFramework="net472" />
   <package id="EntityFramework" version="6.1.0" targetFramework="net472" />
   <package id="jQuery" version="3.4.1" targetFramework="net472" />
-  <package id="jQuery.Validation" version="1.17.0" targetFramework="net472" />
+  <package id="jQuery.Validation" version="1.19.4" targetFramework="net472" />
   <package id="Microsoft.AspNet.Identity.Core" version="2.2.3" targetFramework="net472" />
   <package id="Microsoft.AspNet.Identity.EntityFramework" version="2.2.3" targetFramework="net472" />
   <package id="Microsoft.AspNet.Identity.Owin" version="2.2.4" targetFramework="net472" />