Bump version to 3

Author: dbolin

Apex.Serialization/Apex.Serialization.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFrameworks>net5</TargetFrameworks>
     <LangVersion>8.0</LangVersion>
-    <Version>2.0.1</Version>
+    <Version>3.0.0</Version>
     <Authors>Dominic Bolin</Authors>
     <Description>A high performance contract-less binary serializer</Description>
     <PackageProjectUrl>https://github.com/dbolin/Apex.Serialization</PackageProjectUrl>