Merge pull request #1771 from gonpre/bugfix/1770_api_routes_error_laravel_8

Fix php artisan api:routes

Author: specialtactics

src/Routing/Router.php

@@ -850,4 +850,14 @@ public function currentRouteUses($action)
     {
         return $this->currentRouteAction() == $action;
     }
+
+    /**
+     * Flush the router's middleware groups.
+     *
+     * @return $this
+     */
+    public function flushMiddlewareGroups()
+    {
+        return $this;
+    }
 }