feat!: support only PHP >= 8.0.2 Symfony >= 5.4

BREAKING CHANGE: Support for PHP 5, 7 and <8.0.2 is dropped, along with
Symfony 2, 3, 4 and <5.4.  This is necessary so that this lib can be
used in modern Symfony apps.

Author: boite

composer.json

@@ -17,17 +17,17 @@
         }
     ],
     "require": {
-        "php": ">=5.3.0",
+        "php": ">=8.0.2",
         "ext-curl": "*",
         "linkorb/userbase-role-contracts": "^2.0",
         "psr/cache": "~1.0",
-        "symfony/cache": "~3.0 || ^4.0 || ^5.0",
-        "symfony/event-dispatcher-contracts": "^2.0",
-        "symfony/security-core": "~2.6 || ~3.0 || ^4.0 || ^5.0"
+        "symfony/cache": "^5.4",
+        "symfony/event-dispatcher-contracts": "^2.0 || ~3.0.0",
+        "symfony/security-core": "^5.4"
     },
     "require-dev": {
         "linkorb/envoi": "^1.0",
-        "symfony/dotenv": "~3.0 || ^4.0 || ^5.0"
+        "symfony/dotenv": "^5.4"
     },
     "config": {
         "sort-packages": true