Added support for net45 in nuget package.

Author: adamfisher

RestSharp.Serializers.Newtonsoft.Json.Tests/RestSharp.Serializers.Newtonsoft.Json.Tests.csproj

@@ -10,7 +10,7 @@
     <PackageReference Include="FluentAssertions" Version="4.19.2" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0" />
     <PackageReference Include="Moq" Version="4.7.63" />
-    <PackageReference Include="RestSharp" Version="105.2.3" />
+    <PackageReference Include="RestSharp" Version="106.0.1" />
     <PackageReference Include="xunit" Version="2.2.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0" />
   </ItemGroup>

RestSharp.Serializers.Newtonsoft.Json/RestSharp.Serializers.Newtonsoft.Json.csproj

@@ -3,8 +3,8 @@
   <PropertyGroup>
     <PackageId>RestSharp.Newtonsoft.Json</PackageId>
     <Title>RestSharp.Serializers.Newtonsoft.Json</Title>
-    <TargetFramework>netstandard2.0</TargetFramework>
-    <PackageVersion>1.3.0</PackageVersion>
+    <TargetFrameworks>netstandard2.0;net452</TargetFrameworks>
+    <PackageVersion>1.4.0</PackageVersion>
     <Authors>Adam Fisher</Authors>
     <Description>Restores Newtonsoft.JSON as the default serializer for RestSharp.</Description>
     <PackageLicenseUrl>https://github.com/adamfisher/RestSharp.Serializers.Newtonsoft.Json/blob/master/LICENSE</PackageLicenseUrl>
@@ -19,7 +19,7 @@
 
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="10.0.3" />
-    <PackageReference Include="RestSharp" Version="105.2.3" />
+    <PackageReference Include="RestSharp" Version="106.0.1" />
   </ItemGroup>
 
 </Project>