Fix config var name

src/Laravel/config/telegramdialogs.php

@@ -10,11 +10,7 @@
     'cache_store' => env('TELEGRAM_DIALOGS_CACHE_DRIVER', 'database'),
 
     /*
-     * If the cache driver you configured supports tags, you may specify a tag name here.
-     * All stored dialogs will be tagged. When clearing, the dialogs only items with that tag will be flushed.
-     * @see https://laravel.com/docs/9.x/cache#cache-tags
-     * You may use a string or an array here.
      * This prefix will be used in addition to Laravel’s prefix: "$laravelPrefix$telegramPrefix$key"
      */
-    'cache_tag' => env('TELEGRAM_DIALOGS_CACHE_TAG', 'tg_dialog_'),
+    'cache_prefix' => env('TELEGRAM_DIALOGS_CACHE_PREFIX', 'tg_dialog_'),
 ];