Merge pull request #24 from LinioIT/update-symfony-security-core-requirement

build: update symfony/security-core requirement

Author: tamara-dietz

composer.json

@@ -9,9 +9,9 @@
         "symfony/form": "^2.8 || ^3.0 || ^4.0 || ^5.0",
         "symfony/routing": "^2.8 || ^3.0 || ^4.0 || ^5.0",
         "symfony/framework-bundle": "^2.8 || ^3.0 || ^4.0 || ^5.0",
-        "symfony/security": "^3.2 || ^4.0 || ^5.0",
         "symfony/templating": "^3.2 || ^5.0",
-        "twig/twig": "^2.0 || ^3.0"
+        "twig/twig": "^2.0 || ^3.0",
+        "symfony/security-core": "^2.8 || ^3.0 || ^4.0 || ^5.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^6.0 || ^7.0 || ^8.0",