Bump Newtonsoft.Json from 7.0.1 to 13.0.1 in /AzureTodoMac/AzureTodoMac (#143)

Bumps [Newtonsoft.Json](https://github.com/JamesNK/Newtonsoft.Json) from 7.0.1 to 13.0.1.
- [Release notes](https://github.com/JamesNK/Newtonsoft.Json/releases)
- [Commits](JamesNK/Newtonsoft.Json@7.0.1...13.0.1)

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

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

AzureTodoMac/AzureTodoMac/AzureTodo.Mac.csproj

@@ -61,7 +61,7 @@
     <PackageReference Include="Microsoft.Bcl" Version="1.1.10" />
     <PackageReference Include="Microsoft.Bcl.Build" Version="1.0.21" />
     <PackageReference Include="Microsoft.Net.Http" Version="2.2.29" />
-    <PackageReference Include="Newtonsoft.Json" Version="7.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
   <ItemGroup>
     <Folder Include="Resources\" />