Editor: Update packages for 6.6 Beta 3.

See https://make.wordpress.org/core/handbook/about/release-cycle/block-editor-release-process-for-major-releases/#package-updates-and-core-patches.
See WordPress/gutenberg#62641.
See WordPress#6850.

Props ellatrix, cbravobernal.

Fixes #61462.



git-svn-id: https://develop.svn.wordpress.org/trunk@58434 602fd350-edb4-49c9-b593-d223f7449a82

Author: ellatrix