Sync packages for WP 6.9 Beta 4.

Changes can be found at https://github.com/WordPress/gutenberg/commits/wp/6.9/.

Developed in #10486.
See https://make.wordpress.org/core/handbook/about/release-cycle/block-editor-release-process-for-major-releases/#package-updates-and-core-patches.

Fixes #64213.
Props priethor.

git-svn-id: https://develop.svn.wordpress.org/trunk@61177 602fd350-edb4-49c9-b593-d223f7449a82

Author: ellatrix