Bump Newtonsoft.Json from 8.0.3 to 13.0.1 in /src/Caching

Bumps [Newtonsoft.Json](https://github.com/JamesNK/Newtonsoft.Json) from 8.0.3 to 13.0.1.
- [Release notes](https://github.com/JamesNK/Newtonsoft.Json/releases)
- [Commits](JamesNK/Newtonsoft.Json@8.0.3...13.0.1)

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

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

Author: dependabot[bot]

src/Caching/Caching.csproj

@@ -30,8 +30,8 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Newtonsoft.Json, Version=8.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\Newtonsoft.Json.8.0.3\lib\net45\Newtonsoft.Json.dll</HintPath>
+    <Reference Include="Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed">
+      <HintPath>..\..\packages\Newtonsoft.Json.13.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="RabbitMQ.Client, Version=3.6.1.0, Culture=neutral, PublicKeyToken=89e7d7c5feba84ce, processorArchitecture=MSIL">

src/Caching/packages.config

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="8.0.3" targetFramework="net451" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net451" />
   <package id="RabbitMQ.Client" version="3.6.1" targetFramework="net451" />
   <package id="StackExchange.Redis" version="1.0.450" targetFramework="net451" />
   <package id="Vtex.RabbitMQ" version="0.5.1-beta1" targetFramework="net451" />