Update version from 4.0.1 to 4.0.2

Author: Bart Koelman

src/JsonApiDotNetCore/JsonApiDotNetCore.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <VersionPrefix>4.0.1</VersionPrefix>
+    <VersionPrefix>4.0.2</VersionPrefix>
     <TargetFramework>$(NetCoreAppVersion)</TargetFramework>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
   </PropertyGroup>