Update @wordpress packages

Update packages to include these bug fixes from Gutenberg:

- Gallery block: turn on auto-migration of v1 Gallery blocks to v2 format when edited
- Add accessible labelling to submenu buttons.
- Improve performance of wp_navigation lookup. 
- Various inline docblock corrections
- Use core version of template and template part post types and REST endpoints for WP 5.9, with back compat for 5.8
- Gradients: Enable adding custom gradient when gradients are disabled
- Custom color palette: add default color name
- Color Picker: Re-instate debounce and controlled value to fix issue with gradient picker
- Add aria-current="page" to active navigation item
- Site Editor: Templat list fallback to slug
- Fix: Custom color picker popover position
- Fix: php 5.6 error in theme JSON class.
- Update the WP_Theme_JSON_Gutenberg class to be like the core one
- Update the WP_Theme_JSON_Resolver_Gutenberg class to be like the core one
- Move Global Styles code to lib/compat/wordpress-5.9 folder
- E2E Tests: Fix failing image e2e test by waiting for required element
- Navigation: Try removing absorb toolbar prop.
- Navigation: Fix navigation justifications.
- Fix wordbreak for URLs
- Polish unset color indicator.
- Template revert flow: Make label description source agnostic
- [Block Library - Navigation]: Fix vertical layout
- Add: Corners to custom color picker popover
- Add: Missing margin to the color picker clear button
- Gradient: Fix clearing a custom gradient from throwing a React warning
- [Block Library]: Rename Query Pagination blocks
- PHP Unit Tests: Use global transients 
- Remove CSS that causes conflict with theme.json
- Add actions which fire during the loading process of block template parts
- Fix usage of useSetting('color.palette')
- Update micromodal, include click-through fix
- Site Editor: Remove unused PHP code
- Don't try and render unstable location if Nav block has ID
- Fix gutenberg prefixed function references in core
- Card: support the extraSmall option for the size prop
- Gallery block: enable the new gallery block by default if running in core 
- Block fixtures: Change port to 8889 to placate KSES
- Full Site Editing: Remove block template resolution unit tests
- Site Editor: Sync export API

See #54487.

Built from https://develop.svn.wordpress.org/trunk@52324


git-svn-id: http://core.svn.wordpress.org/trunk@51916 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/block-template-utils.php

@@ -744,7 +744,7 @@ function get_block_templates( $query = array(), $template_type = 'wp_template' )
  */
 function get_block_template( $id, $template_type = 'wp_template' ) {
 	/**
-	 * Filters the block templates array before the query takes place.
+	 *Filters the block template object before the query takes place.
 	 *
 	 * Return a non-null value to bypass the WordPress queries.
 	 *
@@ -793,13 +793,13 @@ function get_block_template( $id, $template_type = 'wp_template' ) {
 	$block_template = get_block_file_template( $id, $template_type );
 
 	/**
-	 * Filters the array of queried block templates array after they've been fetched.
+	 * Filters the queried block template object after it's been fetched.
 	 *
 	 * @since 5.9.0
 	 *
-	 * @param WP_Block_Template $block_template The found block template.
-	 * @param string            $id             Template unique identifier (example: theme_slug//template_slug).
-	 * @param array             $template_type  Template type: `'wp_template'` or '`wp_template_part'`.
+	 * @param WP_Block_Template|null $block_template The found block template, or null if there isn't one.
+	 * @param string                 $id             Template unique identifier (example: theme_slug//template_slug).
+	 * @param array                  $template_type  Template type: `'wp_template'` or '`wp_template_part'`.
 	 */
 	return apply_filters( 'get_block_template', $block_template, $id, $template_type );
 }