Changelog (v6.3.10...v6.3.11)
- bug symfony/symfony#53243 [Mailer][Postmark] Add missing changelog for webhook support (@OskarStark)
- bug symfony/symfony#53125 [Mailer] add the MailPace transport to the UnsupportedSchemeException (@xabbuh)
- bug symfony/symfony#52864 [HttpClient][Mailer][Process] always pass microseconds to usleep as integers (@xabbuh)