Allow PHP 7.4

Author: relthyg

composer.json

@@ -21,7 +21,7 @@
 	],
 	"homepage": "https://github.com/craue/CraueFormFlowBundle",
 	"require": {
-		"php": "^8.1",
+		"php": "^7.4 || ^8.1",
 		"symfony/config": "^6.4 || ^7.2 || ^8.0",
 		"symfony/dependency-injection": "^6.4 || ^7.2 || ^8.0",
 		"symfony/event-dispatcher": "^6.4 || ^7.2 || ^8.0",