Use the -1SH footprint name syntax for shielded connectors
This is the sister PR for https://github.com/KiCad/kicad-symbols/pull/293
Script PR https://github.com/pointhi/kicad-footprint-generator/pull/111
This is the sister PR for https://github.com/KiCad/kicad-symbols/pull/293
Script PR https://github.com/pointhi/kicad-footprint-generator/pull/111