Bump Newtonsoft.Json from 11.0.2 to 13.0.2 in /Solution/samplePlugin

Bumps [Newtonsoft.Json](https://github.com/JamesNK/Newtonsoft.Json) from 11.0.2 to 13.0.2.
- [Release notes](https://github.com/JamesNK/Newtonsoft.Json/releases)
- [Commits](JamesNK/Newtonsoft.Json@11.0.2...13.0.2)

---
updated-dependencies:
- dependency-name: Newtonsoft.Json
  dependency-type: direct:production
...

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Author: dependabot[bot]

Solution/samplePlugin/packages.config

@@ -2,5 +2,5 @@
 <packages>
   <package id="7z.NET" version="1.0.3" targetFramework="net47" />
   <package id="Autodesk.Forge.DesignAutomation.Inventor.Utils" version="1.0.0-beta3" targetFramework="net47" />
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="net461" />
 </packages>