Update Newtonsoft version

Author: mthalman

src/referencePackages/src/microsoft.extensions.dependencymodel/2.1.0/microsoft.extensions.dependencymodel.nuspec

@@ -15,18 +15,18 @@
     <dependencies>
       <group targetFramework=".NETFramework4.5.1">
         <dependency id="Microsoft.DotNet.PlatformAbstractions" version="2.1.0" exclude="Build,Analyzers" />
-        <dependency id="Newtonsoft.Json" version="9.0.1" exclude="Build,Analyzers" />
+        <dependency id="Newtonsoft.Json" version="13.0.1" exclude="Build,Analyzers" />
       </group>
       <group targetFramework=".NETStandard1.3">
         <dependency id="Microsoft.DotNet.PlatformAbstractions" version="2.1.0" exclude="Build,Analyzers" />
-        <dependency id="Newtonsoft.Json" version="9.0.1" exclude="Build,Analyzers" />
+        <dependency id="Newtonsoft.Json" version="13.0.1" exclude="Build,Analyzers" />
         <dependency id="System.Diagnostics.Debug" version="4.0.11" exclude="Build,Analyzers" />
         <dependency id="System.Dynamic.Runtime" version="4.0.11" exclude="Build,Analyzers" />
         <dependency id="System.Linq" version="4.1.0" exclude="Build,Analyzers" />
       </group>
       <group targetFramework=".NETStandard1.6">
         <dependency id="Microsoft.DotNet.PlatformAbstractions" version="2.1.0" exclude="Build,Analyzers" />
-        <dependency id="Newtonsoft.Json" version="9.0.1" exclude="Build,Analyzers" />
+        <dependency id="Newtonsoft.Json" version="13.0.1" exclude="Build,Analyzers" />
         <dependency id="System.Diagnostics.Debug" version="4.0.11" exclude="Build,Analyzers" />
         <dependency id="System.Dynamic.Runtime" version="4.0.11" exclude="Build,Analyzers" />
         <dependency id="System.Linq" version="4.1.0" exclude="Build,Analyzers" />