sort require-dev composer packages

Author: fadrian06

composer.json

@@ -42,13 +42,13 @@
     "symfony/polyfill-php84": "^1.30"
   },
   "require-dev": {
-    "phpunit/phpunit": "^7.5",
-    "phpstan/phpstan": "^1.4",
     "phpstan/extension-installer": "^1.1",
-    "phpstan/phpstan-strict-rules": "^1.1",
+    "phpstan/phpstan": "^1.4",
     "phpstan/phpstan-deprecation-rules": "^1.0",
-    "symfony/var-dumper": "^4.4",
-    "rector/rector": "^0.12.19"
+    "phpstan/phpstan-strict-rules": "^1.1",
+    "phpunit/phpunit": "^7.5",
+    "rector/rector": "^0.12.19",
+    "symfony/var-dumper": "^4.4"
   },
   "suggest": {
     "phpstan/phpstan": "PHP Static Analyzer"