v7.3.4

Changelog (v7.3.3...v7.3.4)

• bug symfony/symfony#60515 [Mailer] Fix memory leak with mailer.message_logger_listener (@andrew-demb)
• bug symfony/symfony#61757 [FrameworkBundle] Perform-no-deep-merging on workflow transitions' from/to configs (@nicolas-grekas)
• bug symfony/symfony#61727 Replace __sleep/wakeup() by __(un)serialize() for throwing and internal usages (@nicolas-grekas)
• bug symfony/symfony#61714 [SecurityBundle] Fix semantic configuration for singulars/plurals in XML (@nicolas-grekas)
• bug symfony/symfony#61596 [FrameworkBundle] Normalize workflow places separately (@KevinVanSonsbeek)