Issue #3484249 by mstrelan: Add void return type to all hook_entity_type_alter implementations

core/.phpstan-baseline.php

core/lib/Drupal/Core/Entity/entity.api.php

core/modules/block_content/block_content.module

...es/comment/tests/modules/comment_test/comment_test.module

..._static_cache_test/config_entity_static_cache_test.module

core/modules/config/tests/config_test/config_test.module

core/modules/config_translation/config_translation.module

...es/config_translation_test/config_translation_test.module

core/modules/contact/contact.module

.../modules/contact_storage_test/contact_storage_test.module

core/modules/content_moderation/content_moderation.module

core/modules/content_translation/content_translation.module

...ts/modules/datetime_range_test/datetime_range_test.module

...ules/field/tests/modules/field_test/field_test.entity.inc

core/modules/field_layout/field_layout.module

core/modules/file/tests/file_test/file_test.module

core/modules/layout_builder/layout_builder.module

core/modules/media/media.module

...ests/modules/media_library_test/media_library_test.module

core/modules/menu_link_content/menu_link_content.module