Update Directory.Build.props

Author: WeihanLi

Directory.Build.props

@@ -7,7 +7,7 @@
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <CommonVersion>1.0.76</CommonVersion>
-    <EFVersion>10.0.0-preview.2.25163.8</EFVersion>
+    <EFVersion>10.0.0-preview.3.25171.6</EFVersion>
 
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
     <EmbedUntrackedSources>true</EmbedUntrackedSources>