chore: Security upgrade Newtonsoft.Json from 9.0.1 to 13.0.1 (#1173)

Author: svcprodsec-sendgrid

ExampleNet45ASPNetProject/SendGrid.ASPSamples/packages.config

@@ -33,7 +33,7 @@
   <package id="Microsoft.Owin.Security.Twitter" version="3.0.1" targetFramework="net452" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net452" />
   <package id="Modernizr" version="2.6.2" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net452" />
   <package id="Owin" version="1.0" targetFramework="net452" />
   <package id="Respond" version="1.2.0" targetFramework="net452" />
   <package id="Sendgrid" version="9" targetFramework="net452" />