Block Editor: Update the WordPress Packages based on Gutenberg 11.9 RC1.

This brings the JS packages up to date and is the first step that will allow us 
to include the other block editor updates for WordPress 5.9:
FSE infrastrucutre, site editor and global styles.

Props noisysocks.
See #54337.


git-svn-id: https://develop.svn.wordpress.org/trunk@52042 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/blocks/columns/block.json

@@ -3,11 +3,15 @@
 	"name": "core/columns",
 	"title": "Columns",
 	"category": "design",
-	"description": "Add a block that displays content in multiple columns, then add whatever content blocks you’d like.",
+	"description": "Display content in multiple columns, with blocks added to each column.",
 	"textdomain": "default",
 	"attributes": {
 		"verticalAlignment": {
 			"type": "string"
+		},
+		"isStackedOnMobile": {
+			"type": "boolean",
+			"default": true
 		}
 	},
 	"supports": {
@@ -17,6 +21,14 @@
 		"color": {
 			"gradients": true,
 			"link": true
+		},
+		"spacing": {
+			"blockGap": true,
+			"margin": [ "top", "bottom" ],
+			"padding": true,
+			"__experimentalDefaultControls": {
+				"blockGap": true
+			}
 		}
 	},
 	"editorStyle": "wp-block-columns-editor",