Fix Deprecation message for php 8.4

[robsontenorio]

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PHP message: PHP Deprecated: GeneaLabs\LaravelModelCaching\Traits\ModelCaching::scopeWithCacheCooldownSeconds(): Implicitly marking parameter $seconds as nullable is deprecated, the explicit nullable type must be used instead in /var/www/app/vendor/genealabs/laravel-model-caching/src/Traits/ModelCaching.php on line 161;
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PHP message: PHP Deprecated: GeneaLabs\LaravelModelCaching\Traits\BuilderCaching::withoutGlobalScopes(): Implicitly marking parameter $scopes as nullable is deprecated, the explicit nullable type must be used instead in /var/www/app/vendor/genealabs/laravel-model-caching/src/Traits/BuilderCaching.php on line 34;
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