Expose lock table name (#6423)

* Expose lock table name

* Update cache.php

---------

Co-authored-by: Taylor Otwell <taylor@laravel.com>

config/cache.php

@@ -40,9 +40,10 @@ return [
 
         'database' => [
             'driver' => 'database',
-            'table' => env('DB_CACHE_TABLE', 'cache'),
             'connection' => env('DB_CACHE_CONNECTION'),
+            'table' => env('DB_CACHE_TABLE', 'cache'),
             'lock_connection' => env('DB_CACHE_LOCK_CONNECTION'),    
+            'lock_table' => env('DB_CACHE_LOCK_TABLE'),
         ],
 
         'file' => [