[TECH] Mise à jour Symfony 4.2.2

Created by: Donovan Bourlard

Imported comments:

By Donovan Bourlard on 2019-01-31T07:46:32.199Z

closed

By Donovan Bourlard on 2019-01-24T17:51:52.198Z

assigned to @awkan

By Donovan Bourlard on 2019-01-24T17:35:39.391Z

changed milestone to %8

By Donovan Bourlard on 2019-01-24T17:34:52.598Z

mentioned in commit 57086458