Bump RestSharp from 106.5.4 to 110 in /DripDotNet (#19)

* Bump RestSharp from 106.5.4 to 106.12.0 in /DripDotNet

Bumps [RestSharp](https://github.com/restsharp/RestSharp) from 106.5.4 to 106.12.0.
- [Release notes](https://github.com/restsharp/RestSharp/releases)
- [Changelog](https://github.com/restsharp/RestSharp/blob/dev/releasenotes.md)
- [Commits](https://github.com/restsharp/RestSharp/commits/106.12)

---
updated-dependencies:
- dependency-name: RestSharp
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

* Add import for updating RestSharp and clean up whitespace

* Try updating RestSharp to 108.0

* Upgrade `RestSharp` to 108.0.0

* Use NewtonsoftJson for serialization

* Fix DripClient

* Clean up whitespace in tests `csproj` file

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: BenSandeen <[email protected]>
Co-authored-by: Jeremy Haberman <[email protected]>

DripDotNet/DripDotNet.csproj

@@ -3,17 +3,17 @@
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
     <PackageId>DripDotNetSDK</PackageId>
-    <AssemblyVersion>3.1.0</AssemblyVersion>
-    <Version>3.1.0</Version>
+    <AssemblyVersion>4.0.0</AssemblyVersion>
+    <Version>4.0.0</Version>
     <Authors>Drip</Authors>
     <Company>Drip</Company>
     <PackageTags>email;marketing;drip;ecommerce;newsletters</PackageTags>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-    <PackageReference Include="RestSharp" Version="108.3.0" />
-    <PackageReference Include="RestSharp.Serializers.NewtonsoftJson" Version="108.3.0" />
+    <PackageReference Include="RestSharp" Version="110.2.0" />
+    <PackageReference Include="RestSharp.Serializers.NewtonsoftJson" Version="110.2.0" />
   </ItemGroup>
 
   <ItemGroup>

DripDotNetTests/DripDotNetTests.csproj

@@ -8,8 +8,8 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
-    <PackageReference Include="RestSharp" Version="108.3.0" />
-    <PackageReference Include="RestSharp.Serializers.NewtonsoftJson" Version="108.3.0" />
+    <PackageReference Include="RestSharp" Version="110.2.0" />
+    <PackageReference Include="RestSharp.Serializers.NewtonsoftJson" Version="110.2.0" />
     <PackageReference Include="xunit" Version="2.3.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
   </ItemGroup>