Issue #3487665 by mstrelan, nicxvan: Add void return type to all hook_cron implementations

core/.phpstan-baseline.php

...es/announcements_feed/src/Hook/AnnouncementsFeedHooks.php

core/modules/comment/src/Hook/CommentHooks.php

core/modules/dblog/src/Hook/DblogHooks.php

core/modules/field/src/Hook/FieldHooks.php

core/modules/file/src/Hook/FileHooks.php

core/modules/history/src/Hook/HistoryHooks.php

core/modules/layout_builder/src/Hook/LayoutBuilderHooks.php

core/modules/locale/src/Hook/LocaleHooks.php

core/modules/node/src/Hook/NodeHooks1.php

core/modules/search/src/Hook/SearchHooks.php

core/modules/system/src/Hook/SystemHooks.php

...em/tests/modules/common_test/src/Hook/CommonTestHooks.php

...n_test_cron_helper/src/Hook/CommonTestCronHelperHooks.php

core/modules/update/src/Hook/UpdateHooks.php

core/modules/workspaces/src/Hook/WorkspacesHooks.php