Description

Update title, description and icon of the Post Categories block variation, one possible or temporary solution for #29399

How has this been tested?

1. Activated a theme with support for full site editing
2. Added the post categories block,
3. Viewed the icon and information in the block settings sidebar.

Screenshots

Types of changes

Enhancement

Checklist:

• My code is tested.
• My code follows the WordPress code style.
• My code follows the accessibility standards.
• I've tested my changes with keyboard and screen readers.
• My code has proper inline documentation.
• I've included developer documentation if appropriate.
• I've updated all React Native files affected by any refactorings/renamings in this PR.