Add `php artisan config:clear` on Deployments

[jaydrogers]

Problem

• We cache the config, but if there is an update, the configs will not automatically clear the cache

https://github.com/serversideup/docker-php/blob/c2e361866010862f69c6cbcf8186ef76a91b2469/src/common/etc/entrypoint.d/50-laravel-automations.sh#L40-L118

Proposed solution

• Add php artisan config:clear before the migration