Issue #3246036 by phenaproxima, tedbow: Remove PreStartEvent in favor of PreCreateEvent

automatic_updates.services.yml

src/BatchProcessor.php

src/Event/PackagesAwareTrait.php

src/Event/PreStartEvent.php

src/Event/ReadinessCheckEvent.php

src/Event/UpdateEvent.php

src/Exception/UpdateException.php

src/Updater.php

src/Validation/ReadinessValidationManager.php

src/Validator/ComposerExecutableValidator.php

src/Validator/CoreComposerValidator.php

src/Validator/DiskSpaceValidator.php

src/Validator/PendingUpdatesValidator.php

src/Validator/UpdateVersionValidator.php

src/Validator/WritableFileSystemValidator.php

...omatic_updates_test/src/ReadinessChecker/TestChecker1.php

tests/modules/automatic_updates_test/src/TestController.php

...matic_updates_test2/src/ReadinessChecker/TestChecker2.php

tests/src/Functional/UpdaterFormTest.php

tests/src/Kernel/CronUpdaterTest.php