Bump Newtonsoft.Json in /GenerateSDKCode/GenerateSDKCode

Bumps [Newtonsoft.Json](https://github.com/JamesNK/Newtonsoft.Json) from 12.0.1 to 13.0.1.
- [Release notes](https://github.com/JamesNK/Newtonsoft.Json/releases)
- [Commits](JamesNK/Newtonsoft.Json@12.0.1...13.0.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

GenerateSDKCode/GenerateSDKCode/packages.config

@@ -19,7 +19,7 @@
   <package id="Microsoft.IdentityModel.JsonWebTokens" version="5.5.0" targetFramework="net472" />
   <package id="Microsoft.IdentityModel.Logging" version="5.5.0" targetFramework="net472" />
   <package id="Microsoft.IdentityModel.Tokens" version="5.5.0" targetFramework="net472" />
-  <package id="Newtonsoft.Json" version="12.0.1" targetFramework="net472" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net472" />
   <package id="System.Buffers" version="4.4.0" targetFramework="net472" />
   <package id="System.IdentityModel.Tokens.Jwt" version="5.5.0" targetFramework="net472" />
   <package id="System.Memory" version="4.5.0" targetFramework="net472" />