Bump Newtonsoft.Json in /windows-legacy/CodePush.Net46.Test (microsoft#2291)

Bumps [Newtonsoft.Json](https://github.com/JamesNK/Newtonsoft.Json) from 9.0.1 to 13.0.1.
- [Release notes](https://github.com/JamesNK/Newtonsoft.Json/releases)
- [Commits](JamesNK/Newtonsoft.Json@9.0.1...13.0.1)

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

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windows-legacy/CodePush.Net46.Test/packages.config

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net46" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net46" />
 </packages>