Merge pull request #2 from magento-trigger/MC-31797

MC-31797: Remove compatibility with PHP 7.1 and 7.2

Author: xmav

composer.json

@@ -7,7 +7,7 @@
     "AFL-3.0"
   ],
   "require": {
-    "php": "~7.1.3||~7.2.0||~7.3.0||~7.4.0",
+    "php": "~7.3.0||~7.4.0",
     "composer/composer": "^1.9",
     "symfony/console": "~4.4.0"
   },