chore: add missing platform dep ext-curl

Author: boite

composer.json

@@ -18,6 +18,7 @@
     ],
     "require": {
         "php": ">=5.3.0",
+        "ext-curl": "*",
         "linkorb/userbase-role-contracts": "^2.0",
         "psr/cache": "~1.0",
         "symfony/cache": "~3.0 || ^4.0 || ^5.0",