Bump Newtonsoft.Json

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] <[email protected]>

Author: dependabot[bot]

Samples/Acquaint/Acquaint.Native/Acquaint.Native.iOS/packages.config

@@ -13,7 +13,7 @@
   <package id="Microsoft.NETCore.Platforms" version="2.1.1" targetFramework="xamarinios10" />
   <package id="Microsoft.Win32.Primitives" version="4.3.0" targetFramework="xamarinios10" />
   <package id="NETStandard.Library" version="2.0.3" targetFramework="xamarinios10" />
-  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="xamarinios10" />
+  <package id="Newtonsoft.Json" version="13.0.2" targetFramework="xamarinios10" />
   <package id="PCLStorage" version="1.0.2" targetFramework="xamarinios10" />
   <package id="Refractored.MvvmHelpers" version="1.3.0" targetFramework="xamarinios10" />
   <package id="System.AppContext" version="4.3.0" targetFramework="xamarinios10" />

Samples/Acquaint/Common/Acquaint.Data.NetStandard/Acquaint.Data.NetStandard.csproj

@@ -4,7 +4,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Backendless.NET" Version="5.1.3" />
-    <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
     <PackageReference Include="PCLStorage.Standard" Version="1.0.0" />
   </ItemGroup>
   <ItemGroup>