Backport social 2.3.0-beta, backup 2.2-beta, mu-wpcom-plugin 1.6.19, …

…jetpack 12.6-a.5 Changes (#32978)

* Changelog edits.

* Init new cycle

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/6148984555

package.json

@@ -16,7 +16,7 @@
 	"dependencies": {
 		"@automattic/jetpack-analytics": "^0.1.27",
 		"@automattic/jetpack-api": "^0.16.2",
-		"@automattic/jetpack-components": "^0.42.2-alpha",
+		"@automattic/jetpack-components": "^0.42.2",
 		"@automattic/jetpack-config": "^0.1.21",
 		"@wordpress/base-styles": "4.32.0",
 		"@wordpress/browserslist-config": "5.24.0",
@@ -30,7 +30,7 @@
 		"prop-types": "^15.7.2"
 	},
 	"devDependencies": {
-		"@automattic/jetpack-base-styles": "^0.6.9-alpha",
+		"@automattic/jetpack-base-styles": "^0.6.9",
 		"@babel/core": "7.22.11",
 		"@babel/preset-react": "7.22.5",
 		"@storybook/addon-actions": "7.1.0",