Changelog and readme.txt edits. (#45901)

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/19305942652

Upstream-Ref: Automattic/jetpack@130e3f4

Author: tbradsha

composer.json

@@ -5,7 +5,7 @@
 	"license": "GPL-2.0-or-later",
 	"require": {},
 	"require-dev": {
-		"automattic/jetpack-changelogger": "^6.0.9-alpha"
+		"automattic/jetpack-changelogger": "^6.0.9"
 	},
 	"scripts": {
 		"build-development": [