chore(deps): fix lockfile for PHP 7.4

Author: owenvoke

composer.json

@@ -29,7 +29,10 @@
     "config": {
         "optimize-autoloader": true,
         "preferred-install": "dist",
-        "sort-packages": true
+        "sort-packages": true,
+        "platform": {
+            "php": "7.4"
+        }
     },
     "extra": {
         "laravel": {