Update PHP to 7.4, upgrade phpstan level from 1 to 3.

Author: jmontoyaa

composer.json

@@ -20,7 +20,7 @@
         }
     ],
     "require": {
-        "php": "^7.2.9 || ^8.0",
+        "php": "^7.4 || ^8.0",
         "doctrine/orm": "~2.5|^3.0",
         "doctrine/doctrine-bundle": "^1.0|^2.0",
         "symfony/config": "^4.0|^5.0",
@@ -50,7 +50,7 @@
     "scripts": {
         "analyse": [
             "@php vendor/bin/ecs check src",
-            "@php vendor/bin/phpstan analyse src -l 1"
+            "@php vendor/bin/phpstan analyse"
         ]
     },
     "extra": {

phpstan.neon

@@ -0,0 +1,9 @@
+parameters:
+	level: 3
+	paths:
+		- src
+	ignoreErrors:
+		- '#Call to an undefined method Symfony\\Component\\Config\\Definition\\Builder\\NodeParentInterface::arrayNode\(\).#'
+		- '#Call to an undefined method Symfony\\Component\\Config\\Definition\\Builder\\NodeDefinition::addDefaultsIfNotSet\(\).#'
+	checkGenericClassInNonGenericObjectType: false
+	checkMissingIterableValueType: false