Bump Newtonsoft.Json from 10.0.3 to 13.0.1 in /FSharpLu

Bumps [Newtonsoft.Json](https://github.com/JamesNK/Newtonsoft.Json) from 10.0.3 to 13.0.1.
- [Release notes](https://github.com/JamesNK/Newtonsoft.Json/releases)
- [Commits](https://github.com/JamesNK/Newtonsoft.Json/compare/10.0.3...13.0.1)

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

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

Bump Newtonsoft.Json from 10.0.3 to 13.0.1 in /FSharpLu

Bumps [Newtonsoft.Json](https://github.com/JamesNK/Newtonsoft.Json) from 10.0.3 to 13.0.1.
- [Release notes](https://github.com/JamesNK/Newtonsoft.Json/releases)
- [Commits](https://github.com/JamesNK/Newtonsoft.Json/compare/10.0.3...13.0.1)

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

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

FSharpLu/FSharpLu.fsproj

@@ -95,7 +95,7 @@
     <PackageReference Include="System.Configuration.ConfigurationManager" Version="6.0.0" />
     <PackageReference Include="FSharp.Control.AsyncSeq" Version="2.0.22" />
     <PackageReference Include="Microsoft.AspNet.WebApi.Client" Version="5.2.7" />
-    <PackageReference Include="Newtonsoft.Json" Version="10.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="System.IO.Compression" Version="4.3.0" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
     <PackageReference Include="System.Net.Requests" Version="4.3.0" />