feat: modernize the pack

Author: dunglas

composer.json

@@ -4,16 +4,13 @@
   "license": "MIT",
   "description": "A pack for API Platform",
   "require": {
-    "php": "^7.0",
-    "api-platform/core": "^2.1",
-    "doctrine/annotations": "^1.0",
-    "doctrine/orm": "^2.4.5",
-    "doctrine/doctrine-bundle": "^1.6 || ^2.0",
-    "nelmio/cors-bundle": "^1.5 || ^2.0",
-    "phpdocumentor/reflection-docblock": "^3.0 || ^4.0 || ^5.0",
+    "api-platform/core": "*",
+    "nelmio/cors-bundle": "*",
     "symfony/asset": "*",
     "symfony/expression-language": "*",
+    "symfony/orm-pack": "*",
     "symfony/security-bundle": "*",
+    "symfony/serializer-pack": "*",
     "symfony/twig-bundle": "*",
     "symfony/validator": "*"
   }