Upgrade event-dispatcher

Author: Simone Pasquini

composer.json

@@ -18,7 +18,7 @@
         "onebip/onebip-array": "dev-master",
         "onebip/onebip-concurrency": "dev-master",
         "alcaeus/mongo-php-adapter": "^1.1",
-        "symfony/event-dispatcher": "5.2.*"
+        "symfony/event-dispatcher": "5.3.0"
     },
     "suggest": {
         "symfony/console": "In order to use Recruiter\\Command\\RecruiterJobCommand."