SMO - upgrade SqlClient to 3.1

To pick up the AE enumeration fix.

Author: David Shiflet

.editorconfig

@@ -69,9 +69,9 @@ dotnet_style_prefer_simplified_interpolation = true:suggestion
 #### C# Coding Conventions ####
 
 # Prefer "var" everywhere
-csharp_style_var_for_built_in_types = true:silent
-csharp_style_var_when_type_is_apparent = true:silent
-csharp_style_var_elsewhere = true:silent
+csharp_style_var_for_built_in_types = true:suggestion
+csharp_style_var_when_type_is_apparent = true:suggestion
+csharp_style_var_elsewhere = true:suggestion
 
 # Prefer method-like constructs to have a block body, except for lambdas
 csharp_style_expression_bodied_methods = false:none

src/Directory.Build.props

@@ -91,7 +91,7 @@
     <!-- these variables are referenced by packagebuild.proj for inclusion in nuspecs and used by packages.props -->
     <SqlParserPackageVersion>160.22504.0</SqlParserPackageVersion>
     <SqlClientPackage>Microsoft.Data.SqlClient</SqlClientPackage>
-    <SqlClientPackageVersion>3.0.0</SqlClientPackageVersion>
+    <SqlClientPackageVersion>3.1.0</SqlClientPackageVersion>
   </PropertyGroup>
 <!-- BEGIN NOGITHUB -->
   <PropertyGroup>