Issue #1950726 by chx: Convert hook_archiver_info() into the New Shiny(TM).

core/core.services.yml

core/includes/common.inc

core/lib/Drupal/Core/Archiver/ArchiverManager.php

...les/system/lib/Drupal/system/Plugin/Core/Archiver/Tar.php

...les/system/lib/Drupal/system/Plugin/Core/Archiver/Zip.php

core/modules/system/system.api.php

core/modules/system/system.module

...dules/update/tests/modules/update_test/update_test.module