Add Orchestra\Support\Traits\EloquentConnectionTrait.

Signed-off-by: crynobone <crynobone@gmail.com>
Rename testing trait.

Signed-off-by: crynobone <crynobone@gmail.com>
Update deps

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.2'