task: updated version to 1.5.0-beta.1

Author: dtanglr

src/Directory.Build.props

@@ -25,7 +25,7 @@
 
   <PropertyGroup Condition="'$(Configuration)' == 'Debug'">
     <PackageOutputPath>$(MSBuildThisFileDirectory)..\artifacts</PackageOutputPath>
-    <version>1.5.0-alpha.38</version>
+    <version>1.5.0-beta.1</version>
   </PropertyGroup>
 
   <ItemGroup>