Bump System.Data.SqlClient from 4.4.0 to 4.8.6 in /src/Dapper.Testing#4

dependabot[bot] wants to merge 1 commit intomasterhryz/Dapper.Testing:masterfrom

dependabot/nuget/src/Dapper.Testing/System.Data.SqlClient-4.8.6hryz/Dapper.Testing:dependabot/nuget/src/Dapper.Testing/System.Data.SqlClient-4.8.6Copy head branch name to clipboard