Merge branch '3418267-meta-support-phpunit' into '11.x'

composer.json

composer.lock

composer/Metapackage/CoreRecommended/composer.json

composer/Metapackage/DevDependencies/composer.json

composer/Metapackage/PinnedDevDependencies/composer.json

core/.phpstan-baseline.php

core/composer.json

core/lib/Drupal/Component/Diff/composer.json

core/lib/Drupal/Core/Test/PhpUnitTestRunner.php

core/misc/cspell/dictionary.txt

...modules/ckeditor5/tests/src/Unit/HTMLRestrictionsTest.php

core/phpunit.xml.dist

...PhpUnitCompatibility/PhpUnit11/TestCompatibilityTrait.php

...ests/Drupal/Tests/Component/Datetime/DateTimePlusTest.php

...upal/Tests/Core/Config/Entity/ConfigEntityStorageTest.php

core/tests/Drupal/Tests/Core/Datetime/DrupalDateTimeTest.php

...s/Core/Entity/KeyValueStore/KeyValueEntityStorageTest.php

...pal/Tests/Core/Entity/Sql/SqlContentEntityStorageTest.php