[12.x] Provide a default client name to avoid QueryException

[imahmood]

Creating a new client without specifying a name throws the following exception:

   Illuminate\Database\QueryException

  SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'name' cannot be null

  at vendor/laravel/framework/src/Illuminate/Database/Connection.php:829
    825▕                     $this->getName(), $query, $this->prepareBindings($bindings), $e
    826▕                 );
    827▕             }
    828▕
  ➜ 829▕             throw new QueryException(
    830▕                 $this->getName(), $query, $this->prepareBindings($bindings), $e
    831▕             );
    832▕         }
    833▕     }

      +27 vendor frames

[taylorotwell]

Just provide a name.