Bump Microsoft.Owin.Security.Cookies in /src/Source/WebSite (#23)

Bumps [Microsoft.Owin.Security.Cookies](https://github.com/aspnet/AspNetKatana) from 3.0.1 to 4.2.2.
- [Release notes](https://github.com/aspnet/AspNetKatana/releases)
- [Commits](aspnet/AspNetKatana@v3.0.1...v4.2.2)

---
updated-dependencies:
- dependency-name: Microsoft.Owin.Security.Cookies
  dependency-type: direct:production
...

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src/Source/WebSite/packages.config

@@ -35,7 +35,7 @@
   <package id="Microsoft.Owin" version="4.1.1" targetFramework="net451" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.0.1" targetFramework="net451" />
   <package id="Microsoft.Owin.Security" version="3.0.1" targetFramework="net451" />
-  <package id="Microsoft.Owin.Security.Cookies" version="3.0.1" targetFramework="net451" />
+  <package id="Microsoft.Owin.Security.Cookies" version="4.2.2" targetFramework="net451" />
   <package id="Microsoft.Owin.Security.Facebook" version="3.0.1" targetFramework="net451" />
   <package id="Microsoft.Owin.Security.Google" version="3.0.1" targetFramework="net451" />
   <package id="Microsoft.Owin.Security.MicrosoftAccount" version="3.0.1" targetFramework="net451" />