Merge pull request #529 from FGRibreau/php-remove-old-version

Drop support for PHP < 8.1

Author: FGRibreau

composer.json

@@ -4,7 +4,7 @@
     "keywords": ["fake", "email", "detection", "disposable"],
     "license": "MIT",
     "require": {
-        "php": ">=7.3"
+        "php": ">=8.1"
     },
     "require-dev": {
         "phpunit/phpunit": "^12"