upgrade newtonsoft to 13.0.1 (#136)

upgrade newtonsoft to 13.0.1

Co-authored-by: Todd Lair <[email protected]>

Author: kgorro

Src/StackifyLib/StackifyLib.csproj

@@ -27,7 +27,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' OR '$(TargetFramework)' == 'net461' OR '$(TargetFramework)' == 'net462' ">