changelogger, stub-generator: Simplify bin by dropping Composer <2.2 support (#41876)

Composer 2.2 added a global `$_composer_autoload_path` that points to
the autoloader. We can simplify the bin files significantly by requiring
this Composer version and using that constant instead of trying to guess
where the autoloader lives.

This also requires various tools be updated to run changelogger and
stub-generator via the symlink added in `vendor/bin/` rather than trying
to use `bin/` directly.

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/13438907848

Upstream-Ref: Automattic/jetpack@95a448a

Author: anomiex

composer.json

@@ -8,7 +8,7 @@
 	},
 	"require-dev": {
 		"yoast/phpunit-polyfills": "^1.1.1",
-		"automattic/jetpack-changelogger": "^5.1.0"
+		"automattic/jetpack-changelogger": "^6.0.0-alpha"
 	},
 	"autoload": {
 		"classmap": [

composer.lock

@@ -8,7 +8,7 @@
 	},
 	"require-dev": {
 		"yoast/phpunit-polyfills": "^1.1.1",
-		"automattic/jetpack-changelogger": "^5.1.0"
+		"automattic/jetpack-changelogger": "^6.0.0-alpha"
 	},
 	"suggest": {
 		"automattic/jetpack-autoloader": "Allow for better interoperability with other plugins that use this package."

vendor/automattic/jetpack-device-detection/composer.json

@@ -7,13 +7,13 @@
             "dist": {
                 "type": "path",
                 "url": "/tmp/jetpack-build/Automattic/jetpack-device-detection",
-                "reference": "88cb84f1b631353fa20891c0cded95f1555c1fa6"
+                "reference": "da41451c1401be76130cea3e326bef27b8ae9ceb"
             },
             "require": {
                 "php": ">=7.2"
             },
             "require-dev": {
-                "automattic/jetpack-changelogger": "^5.1.0",
+                "automattic/jetpack-changelogger": "^6.0.0-alpha",
                 "yoast/phpunit-polyfills": "^1.1.1"
             },
             "suggest": {

vendor/composer/installed.json

@@ -13,7 +13,7 @@
         'automattic/jetpack-device-detection' => array(
             'pretty_version' => '3.0.0',
             'version' => '3.0.0.0',
-            'reference' => '88cb84f1b631353fa20891c0cded95f1555c1fa6',
+            'reference' => 'da41451c1401be76130cea3e326bef27b8ae9ceb',
             'type' => 'jetpack-library',
             'install_path' => __DIR__ . '/../automattic/jetpack-device-detection',
             'aliases' => array(),