Backport jetpack 15.7-a.7 changes (#47845)

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/23758668413

Upstream-Ref: Automattic/jetpack@0884ade

Author: tbradsha

composer.json

@@ -6,7 +6,7 @@
 	"require-dev": {
 		"yoast/phpunit-polyfills": "^4.0.0",
 		"automattic/jetpack-changelogger": "^6.0.14",
-		"automattic/phpunit-select-config": "^1.0.4-alpha"
+		"automattic/phpunit-select-config": "^1.0.4"
 	},
 	"autoload": {
 		"classmap": [