Merge pull request #23 from SimLibaud/php_required

[Composer] Update PHP version require

Author: SimLibaud

composer.json

@@ -11,7 +11,7 @@
         }
     ],
     "require": {
-        "php": "~7.2",
+        "php": ">=7.2",
         "symfony/framework-bundle": "^5.0",
         "symfony/security-core": "^5.0",
         "symfony/yaml": "^5.0",