Use SqlClient 4.4.0-* to workaround "SqlClient fails with netcoreapp2.0 on Win7/Server2008"

- https://github.com/dotnet/corefx/issues/18406
- Revert when `$(CoreFxVersion)` is upgraded to `4.4.0-*`

Author: mikeharder

src/EFCore.SqlServer/EFCore.SqlServer.csproj

@@ -17,7 +17,12 @@
     <ProjectReference Include="..\EFCore.Relational\EFCore.Relational.csproj" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="System.Data.SqlClient" Version="$(CoreFxVersion)" />
+    <!--
+      * Use 4.4.0-* instead of $(CoreFxVersion) to workaround "SqlClient fails with netcoreapp2.0 on Win7/Server2008"
+        * https://github.com/dotnet/corefx/issues/18406
+      * Revert when $(CoreFxVersion) is upgraded to 4.4.0-*
+      -->
+    <PackageReference Include="System.Data.SqlClient" Version="4.4.0-*" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard1.3'">
     <PackageReference Include="System.Threading.Thread" Version="$(CoreFxVersion)" />

test/EFCore.Benchmarks/EFCore.Benchmarks.csproj

@@ -8,7 +8,12 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="$(AspNetCoreVersion)" />
-    <PackageReference Include="System.Data.SqlClient" Version="$(CoreFxVersion)" />
+    <!--
+      * Use 4.4.0-* instead of $(CoreFxVersion) to workaround "SqlClient fails with netcoreapp2.0 on Win7/Server2008"
+        * https://github.com/dotnet/corefx/issues/18406
+      * Revert when $(CoreFxVersion) is upgraded to 4.4.0-*
+      -->
+    <PackageReference Include="System.Data.SqlClient" Version="4.4.0-*" />
     <PackageReference Include="xunit" Version="$(XunitVersion)" />
     <PackageReference Include="xunit.runner.visualstudio" Version="$(XunitVersion)" />
   </ItemGroup>