update version

Author: wenxi-zeng

Serialization.NET/Serialization.NET.csproj

@@ -9,7 +9,7 @@
 
     <Authors>Segment, Inc</Authors>
     <Description>Build JsonObject at ease, serializable with Newtonsoft.Json</Description>
-    <Version>1.4.1</Version>
+    <Version>1.5.0</Version>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <RepositoryUrl>https://github.com/segmentio/Serialization.NET</RepositoryUrl>
     <RepositoryType>git</RepositoryType>