Pull from php71 and migrating to php74

Author: Pechynho

composer.json

@@ -12,10 +12,10 @@
     }
   ],
   "require": {
-    "php": "^7.1",
+    "php": "^7.4",
     "ext-mbstring": "*",
-    "symfony/property-access": "^4.3",
-    "doctrine/annotations": "^1.8"
+    "symfony/property-access": "^5.1",
+    "doctrine/annotations": "^1.10"
   },
   "require-dev": {
     "phpunit/phpunit": ">=6.0 <8.0",