now compatible with feed-io 5

Author: alexdebril

composer.json

@@ -17,7 +17,7 @@
         "symfony/http-foundation": "~3.4|~4.0|^5.0|^6.0",
         "symfony/http-kernel": "~3.4|~4.0|^5.0|^6.0",
         "symfony/dependency-injection": "~3.4|~4.0|^5.0|^6.0",
-        "debril/feed-io": "~3.0|~4.0"
+        "debril/feed-io": "~3.0|~4.0|~5.0"
     },
     "require-dev": {
         "phpunit/phpunit": "~7.0",