Bump Newtonsoft.Json in /FsharpExchangeDotNetStandard

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
...

Signed-off-by: dependabot[bot] <support@github.com>

FsharpExchangeDotNetStandard/FsharpExchangeDotNetStandard.fsproj

@@ -14,6 +14,6 @@
   <ItemGroup>
     <PackageReference Include="FSharp.Core" Version="4.5.2" />
     <PackageReference Include="StackExchange.Redis" Version="2.0.513" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
   </ItemGroup>
 </Project>