Bump Microsoft.AspNet.Identity.Owin from 2.2.1 to 2.2.4 in /006-AppModernization/Student/Resources/OnPremApp/IaaS2PaaSWeb/PartsUnlimitedWebsite (#680)

Bump Microsoft.AspNet.Identity.Owin

Bumps [Microsoft.AspNet.Identity.Owin](https://github.com/aspnet/AspNetIdentity) from 2.2.1 to 2.2.4.
- [Commits](https://github.com/aspnet/AspNetIdentity/commits)

---
updated-dependencies:
- dependency-name: Microsoft.AspNet.Identity.Owin
  dependency-type: direct:production
...

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006-AppModernization/Student/Resources/OnPremApp/IaaS2PaaSWeb/PartsUnlimitedWebsite/packages.config

@@ -9,7 +9,7 @@
   <package id="jQuery.Validation" version="1.19.4" targetFramework="net451" />
   <package id="Microsoft.AspNet.Identity.Core" version="2.2.1" targetFramework="net451" />
   <package id="Microsoft.AspNet.Identity.EntityFramework" version="2.2.1" targetFramework="net451" />
-  <package id="Microsoft.AspNet.Identity.Owin" version="2.2.1" targetFramework="net451" />
+  <package id="Microsoft.AspNet.Identity.Owin" version="2.2.4" targetFramework="net451" />
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net451" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net451" />
   <package id="Microsoft.AspNet.SignalR" version="2.2.2" targetFramework="net451" />