Support Laravel 8

Author: ilzrv

composer.json

@@ -2,8 +2,8 @@
     "name": "ilzrv/laravel-queue-size",
     "description": "Laravel Queue Size Command",
     "require": {
-        "illuminate/console": "~5.6|^6.0|^7.0",
-        "illuminate/queue": "~5.6|^6.0|^7.0"
+        "illuminate/console": "~5.6|^6.0|^7.0|^8.0",
+        "illuminate/queue": "~5.6|^6.0|^7.0|^8.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.3",