Replaced Laravel's SerializableClosure with standalone library

The Laravel's implementation was marked as deprecated and remove
in Laravel 9. Laravel extracted this feature to the separate
package which we used in this commit.

remp/remp#1160

Author: rootpd

CHANGELOG.md

@@ -25,6 +25,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
 - Added information about where to display to the detail page of campaign. remp/remp#1009
 - Changed the form of editing banner's custom JS - now JS code is displayed formatted and linted in separate window. remp/remp#1171
 - Added support for the inline editing of variables in the custom JS of banner. remp/remp#1172
+- Replaced Laravel's internal `SerializableClosure` with the separate forked implementation to avoid deprecation. remp/remp#1160
 
 ### [Mailer]
 

Campaign/app/Contracts/SegmentAggregator.php

@@ -4,7 +4,7 @@
 
 use App\CampaignSegment;
 use Illuminate\Support\Collection;
-use Illuminate\Queue\SerializableClosure;
+use Laravel\SerializableClosure\SerializableClosure;
 use Predis\Client;
 use Illuminate\Support\Facades\Redis;
 

Campaign/composer.json

@@ -31,6 +31,7 @@
         "kouz/laravel-airbrake": "^0.7.0",
         "laracasts/flash": "^3.2",
         "laravel/framework": "v8.76.2",
+        "laravel/serializable-closure": "^1.2",
         "laravelcollective/html": "^6.2",
         "nicolaslopezj/searchable": "^1.13",
         "php-amqplib/php-amqplib": "^2.7",