chore: normalise composer.json

Author: boite

composer.json

@@ -26,7 +26,10 @@
         "symfony/security-core": "~2.6 || ~3.0 || ^4.0 || ^5.0"
     },
     "require-dev": {
-      "symfony/dotenv": "~3.0 || ^4.0 || ^5.0"
+        "symfony/dotenv": "~3.0 || ^4.0 || ^5.0"
+    },
+    "config": {
+        "sort-packages": true
     },
     "autoload": {
         "psr-4": {