feat: pin constraints stable versions of Composer

Signed-off-by: Matthew Weier O'Phinney <[email protected]>

Author: weierophinney

autoload/composer-2.0.php

@@ -1,7 +1,15 @@
 <?php
 
+/**
+ * @see       https://github.com/laminas/laminas-dependency-plugin for the canonical source repository
+ * @copyright https://github.com/laminas/laminas-dependency-plugin/blob/master/COPYRIGHT.md
+ * @license   https://github.com/laminas/laminas-dependency-plugin/blob/master/LICENSE.md New BSD License
+ */
+
 namespace Composer\Plugin;
 
-if (!class_exists(PrePoolCreateEvent::class)) {
-    class PrePoolCreateEvent {}
+if (! class_exists(PrePoolCreateEvent::class)) {
+    class PrePoolCreateEvent
+    {
+    }
 }

composer.json

@@ -11,7 +11,7 @@
         "composer-plugin-api": "^1.1 || ^2.0"
     },
     "require-dev": {
-        "composer/composer": "^1.9 || ~2.0.0@dev || ^2.0",
+        "composer/composer": "^1.9 || ^2.0",
         "mikey179/vfsstream": "^1.6",
         "phpcompatibility/php-compatibility": "^9.3",
         "roave/security-advisories": "dev-master"