Switch from annotations to attributes

Problem/Motivation

1) /var/www/html/web/core/lib/Drupal/Core/Plugin/Discovery/AttributeDiscoveryWithAnnotations.php:98
Using @Block annotation for plugin with ID workbench_block is deprecated and is removed from drupal:13.0.0. Use a Drupal\Core\Block\Attribute\Block attribute instead. See https://www.drupal.org/node/3395575 →

Steps to reproduce

Run tests

Proposed resolution

Update to use attributes

Remaining tasks

Update to use attributes

User interface changes

None

API changes

None

Data model changes

None