Migrate from Bugsnag to Sentry for Error Reporting
Summary
As part of it-infra#10, we are migrating from Bugsnag to Laravel. This requires a new composer
package and an updated ENV configuration.
As an open source project, we should support both and provide documentation on switching between them.
Technical Details
https://sentry.gitlab.net/gitlab/it-infra-gitlabsandbox-cloud/getting-started/php-laravel/