Require PHP 7.4+ explicitly

TavoNiievez · web-flow · commit 4c9cf3e19bd5 · 2021-12-07T09:39:17.000-05:00
diff --git a/composer.json b/composer.json
@@ -10,6 +10,7 @@
         }
     },
     "require": {
+        "php": "^7.4 | ^8.0",
         "phpunit/phpunit": "^8.4 | ^9.0"
     },
     "require-dev": {
