Updating Accessibility section to WCAG 2.2
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3515797. -->
Reported by: [aaron.hirtenstein](https://www.drupal.org/user/1853668)
>>>
<p>See <a href="https://github.com/localgovdrupal/docs/pull/321">https://github.com/localgovdrupal/docs/pull/321</a></p>
issue