Upgrade Symfony dependencies

Author: jdecool

composer.json

@@ -7,21 +7,21 @@
         "ext-iconv": "*",
         "ext-pdo": "*",
         "jdecool/collection": "dev-master",
-        "symfony/console": "5.1.*",
-        "symfony/css-selector": "5.1.*",
-        "symfony/dom-crawler": "5.1.*",
-        "symfony/dotenv": "5.1.*",
-        "symfony/flex": "^1.3.1",
-        "symfony/framework-bundle": "5.1.*",
-        "symfony/http-client": "5.1.*",
-        "symfony/serializer": "5.1.*",
-        "symfony/yaml": "5.1.*"
+        "symfony/console": "5.3.*",
+        "symfony/css-selector": "5.3.*",
+        "symfony/dom-crawler": "5.3.*",
+        "symfony/dotenv": "5.3.*",
+        "symfony/flex": "^1.16.0",
+        "symfony/framework-bundle": "5.3.*",
+        "symfony/http-client": "5.3.*",
+        "symfony/serializer": "5.3.*",
+        "symfony/yaml": "5.3.*"
     },
     "require-dev": {
-        "symfony/stopwatch": "5.1.*",
-        "symfony/twig-bundle": "5.1.*",
-        "symfony/var-dumper": "5.1.*",
-        "symfony/web-profiler-bundle": "5.1.*"
+        "symfony/stopwatch": "5.3.*",
+        "symfony/twig-bundle": "5.3.*",
+        "symfony/var-dumper": "5.3.*",
+        "symfony/web-profiler-bundle": "5.3.*"
     },
     "config": {
         "optimize-autoloader": true,
@@ -67,7 +67,7 @@
     "extra": {
         "symfony": {
             "allow-contrib": false,
-            "require": "5.1.*"
+            "require": "5.3.*"
         }
     }
 }