Bump Microsoft.EntityFrameworkCore.SqlServer from 3.1.7 to 6.0.7 in /src#180

dependabot[bot] wants to merge 1 commit intomasterYoussef1313/ChessSharp:masterfrom

dependabot/nuget/src/Microsoft.EntityFrameworkCore.SqlServer-6.0.7Youssef1313/ChessSharp:dependabot/nuget/src/Microsoft.EntityFrameworkCore.SqlServer-6.0.7Copy head branch name to clipboard