Xml version downgrade 4.0.3.1 -> 4.0.3.0 to match Microsoft.AspNetCore.App.Ref v 3.1.10

#59

Author: Fasjeit

src/System.Security.Cryptography.Xml/Directory.Build.props

@@ -1,7 +1,7 @@
 <Project>
   <Import Project="..\Directory.Build.props" />
   <PropertyGroup>
-    <AssemblyVersion>4.0.3.1</AssemblyVersion>
+    <AssemblyVersion>4.0.3.0</AssemblyVersion>
     <PackageVersion>4.7.1</PackageVersion>
     <StrongNameKeyId>Open</StrongNameKeyId>
   </PropertyGroup>