[edit] symbols to be compatible with symfony 5

Author: Piou-piou

composer.json

@@ -14,13 +14,13 @@
     "require": {
         "php": ">=7.1",
         "mtdowling/cron-expression": "^1.2.1",
-        "symfony/config": "^3.4|^4.0",
-        "symfony/dependency-injection": "^3.3|^4.0",
-        "symfony/framework-bundle": "^3.3|^4.0",
+        "symfony/config": "^3.4|^4.0|^5.0",
+        "symfony/dependency-injection": "^3.3|^4.0|^5.0",
+        "symfony/framework-bundle": "^3.3|^4.0|^5.0",
         "sensio/framework-extra-bundle": "^5.4",
-        "symfony/http-foundation": "^3.2 || ^4.0",
-        "symfony/http-kernel": "^3.3|^4.0",
-        "symfony/routing": "^3.2 || ^4.0"
+        "symfony/http-foundation": "^3.2 || ^4.0 || ^5.0",
+        "symfony/http-kernel": "^3.3|^4.0|^5.0",
+        "symfony/routing": "^3.2 || ^4.0 || ^5.0"
     },
     "autoload": {
         "psr-4": {