*/wordpress*: Upgrade to WordPress 6.9 "Gene"

This release introduces major collaboration features, developer APIs,
and performance improvements.

Key Changes:

• Collaboration: Introduced "Notes" for block-level commenting and feedback directly in the editor.
• Dashboard: Expanded Command Palette to support navigation and actions across the entire admin interface.
• APIs: Added the Abilities API to standardize permissions for AI and automation workflows.
• Design: Added "Fit text to container" typography option for Paragraph and Heading blocks.
• Performance: Improved LCP with on-demand block styles, optimized database queries, and refined caching.
• Accessibility: Fixed over 30 issues related to screen readers, focus handling, and assistive tech.
• UI/UX: Enhanced visual drag-and-drop and introduce new blocks (Accordion, Terms Query)

Release notes:

https://wordpress.org/news/2025/12/gene/

MFH: 2025Q4