Allow PHP ^7.2.5

Author: nicolas-grekas

composer.json

@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": "^7.2.9",
+        "php": "^7.2.5",
         "symfony/security-core": "^4.4|^5.0",
         "symfony/http-foundation": "^4.4|^5.0",
         "symfony/http-kernel": "^4.4|^5.0",