update deps

Based on vendor/ directory currently used in production.

composer.json

@@ -2,17 +2,17 @@
     "name": "lqdn/soutien",
     "description": "Site de soutien LQDN",
     "require": {
-        "bcosca/fatfree": "^3.5",
-        "robmorgan/phinx": "^0.10.0",
-        "vlucas/phpdotenv": "^2.4",
+        "bcosca/fatfree": "^3.7.2",
+        "robmorgan/phinx": "^0.10.8",
+        "vlucas/phpdotenv": "^v2.6.6",
         "pimple/pimple": "^3.0",
         "doctrine/dbal": "^2.5",
-        "symfony/http-foundation": "^3.2",
-        "sentry/sentry": "^1.9"
+        "symfony/http-foundation": "^3.4.46",
+        "sentry/sentry": "^1.11.0"
     },
     "require-dev": {
-        "codeception/codeception": "^2.2",
-        "friendsofphp/php-cs-fixer": "^2.1"
+        "codeception/codeception": "^2.5.6",
+        "friendsofphp/php-cs-fixer": "^2.16.5"
     },
     "autoload": {
         "psr-4": {