Update and fix packages

Author: JoeBiellik

NFive.SDK.Core.csproj

@@ -34,12 +34,12 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="JetBrains.Annotations, Version=2021.1.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
-      <HintPath>packages\JetBrains.Annotations.2021.1.0\lib\net20\JetBrains.Annotations.dll</HintPath>
+    <Reference Include="JetBrains.Annotations, Version=2021.2.0.0, Culture=neutral, PublicKeyToken=1010a0d8d6380325, processorArchitecture=MSIL">
+      <HintPath>packages\JetBrains.Annotations.2021.2.0\lib\net20\JetBrains.Annotations.dll</HintPath>
       <Private>False</Private>
     </Reference>
-    <Reference Include="Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>packages\Newtonsoft.Json.13.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
+    <Reference Include="Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
+      <HintPath>packages\Newtonsoft.Json.12.0.2\lib\net45\Newtonsoft.Json.dll</HintPath>
       <Private>False</Private>
     </Reference>
     <Reference Include="System" />

packages.config

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="JetBrains.Annotations" version="2021.1.0" targetFramework="net452" />
-  <package id="Newtonsoft.Json" version="13.0.1" allowedVersions="[13.0.1]" targetFramework="net452" />
+  <package id="JetBrains.Annotations" version="2021.2.0" targetFramework="net452" />
+  <package id="Newtonsoft.Json" version="12.0.2" allowedVersions="[12.0.2]" targetFramework="net452" />
 </packages>