Update Gutenberg packages for WP 6.9 RC1

Trac ticket: https://core.trac.wordpress.org/ticket/64220

[ellatrix]

In 61211:

Sync packages for WP 6.9 RC 1.
Changes can be found at ​https://github.com/WordPress/gutenberg/commits/wp/6.9/.

Developed in ​https://github.com/WordPress/wordpress-develop/pull/10495.
See ​https://make.wordpress.org/core/handbook/about/release-cycle/block-editor-release-process-for-major-releases/#package-updates-and-core-patches.

Fixes #64220.
Props priethor.

[priethor]

List of changes included:

• ​Fix Navigation Link broken state when bound entity is deleted
• ​Fix empty url value from unbinding entity from inspector sidebar
• ​Fix focus loss from unsync and edit button in navigation link inspector sidebar
• ​Accordion Header, Panel: Add CSS for the default style
• ​Add: Stretch text variations transforms
• ​Readd Stretch text and strech heading variation
• ​Editor: Fix template panel check and restore duplicate action
• ​Math format: remove empty format on serialise
• ​Notes: Add form submission shortcut
• ​Notes: Remove unnecessary useCallback from keyboard navigation handler
• ​Fix: Admin color scheme is not applied to Command Palette
• ​Notes: Add keyboard support for tree navigation
• ​MathML block: fix lazy script loading
• ​Update: Use a bigger max fit text font size.
• ​DataViews: Fix pagination
• ​Dataviews: Fix dataview columns width
• ​Dataviews: Fix dataview columns width
• ​NumberControl: Fix crash when min prop is string and step prop contains decimal