v7.3.0-BETA2

Changelog (v7.3.0-BETA1...v7.3.0-BETA2)

• feature symfony/symfony#54276 [Workflow] Add support for executing custom workflow definition validators during the container compilation (@lyrixx)
• feature symfony/symfony#52981 [FrameworkBundle] Make ValidatorCacheWarmer and SerializeCacheWarmer use kernel.build_dir instead of kernel.cache_dir (@Okhoshi)
• bug symfony/symfony#60392 [DependencyInjection][FrameworkBundle] Fix precedence of App\Kernel alias and ignore container.excluded tag on synthetic services (@nicolas-grekas)
• bug symfony/symfony#60373 [FrameworkBundle] Ensure Email class exists before using it (@Kocal)
• bug symfony/symfony#60365 [FrameworkBundle] ensure that all supported e-mail validation modes can be configured (@xabbuh)
• feature symfony/symfony#60028 [ObjectMapper] Condition to target a specific class (@soyuka)
• bug symfony/symfony#60322 [FrameworkBundle] drop the limiters option for non-compound rater limiters (@xabbuh)