Bump Microsoft.EntityFrameworkCore.Design from 3.0.1 to 3.1.0
Bump Microsoft.EntityFrameworkCore.Design from 3.0.1 to 3.1.0

Bumps [Microsoft.EntityFrameworkCore.Design](https://github.com/aspnet/EntityFrameworkCore) from 3.0.1 to 3.1.0.
- [Release notes](https://github.com/aspnet/EntityFrameworkCore/releases)
- [Commits](https://github.com/aspnet/EntityFrameworkCore/compare/v3.0.1...v3.1.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
hsaito/HSLBase