Change version to 3.7.0-preview.1

Author: gdlcf88

common.props

@@ -1,7 +1,7 @@
 <Project>
   <PropertyGroup>
     <LangVersion>latest</LangVersion>
-    <Version>3.6.0</Version>
+    <Version>3.7.0-preview.1</Version>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Authors>EasyAbp Team</Authors>