PHP 8.5 : Using null as an array offset is deprecated, use an empty string instead in : LaravelLocalization.php

[Ronan-Lenor]

Describe the bug
local.WARNING: Using null as an array offset is deprecated, use an empty string instead in ...\vendor\mcamara\laravel-localization\src\Mcamara\LaravelLocalization\LaravelLocalization.php on line s:

• 174
• 443
• 455
• and probably lot more ...

To Reproduce
use PHP 8.5

Expected behavior
no more deprecated logs

More info:
https://www.php.net/manual/en/migration85.deprecated.php
Search for "array offset"

TODO:

// search for every [$locale] & $locale =
// and do some changes such as :
$locale = null
$locale = ''

$locale = ...->aFunctionSomewhere()
$locale = strval(...->aFunctionSomewhere())

// also check conditions that rely on null