Bump illuminate/support to ^8.0

Author: NielsHoiting

composer.json

@@ -15,6 +15,6 @@
         }
     },
     "require": {
-        "illuminate/support": "~5.2|^7.0"
+        "illuminate/support": "~5.2|^7.0|^8.0"
     }
 }