Update composer.json

Author: toyi

composer.json

@@ -20,10 +20,10 @@
   "require": {
     "php": ">=7.2",
     "phpoffice/phpexcel": "^1.8.1",
-    "illuminate/cache": "^5.0|^6.0|^7.0",
-    "illuminate/config": "^5.0|^6.0|^7.0",
-    "illuminate/filesystem": "^5.0|^6.0|^7.0",
-    "illuminate/support": "^5.0|^6.0|^7.0",
+    "illuminate/cache": "^5.0|^6.0|^7.0|^8.0",
+    "illuminate/config": "^5.0|^6.0|^7.0|^8.0",
+    "illuminate/filesystem": "^5.0|^6.0|^7.0|^8.0",
+    "illuminate/support": "^5.0|^6.0|^7.0|^8.0",
     "jeremeamia/superclosure": "^2.3",
     "nesbot/carbon": "~2.0",
     "tijsverkoyen/css-to-inline-styles": "~2.0"