use utf8mb4 for names and altnames

[nitper]

The alternate_names data has utf8 characters that are longer than 3 bytes, so we need to change the character encoding and collation to utf8mb4 - see here and here. This is a fix that requires mysql >= 5.5

This is the error you get with utf8:

[ipalaus]

@nitper sorry for the delay, looks that we need to import illumiante/support in order to make the tests pass. Use the facade Illuminate\Support\Facades\DB should get the tests green.

Do you wanna push it and check?