Switch Sentry implementation to sentry-laravel

Summary:
A native Laravel package is maintained by Sentry.

Reference: https://docs.sentry.io/platforms/php/guides/laravel/

Ref T1791

Test Plan: Tested in production

Reviewers: DorianWinty, dereckson

Reviewed By: dereckson

Maniphest Tasks: T1791

Differential Revision: https://devcentral.nasqueron.org/D2935