PHP 8.1

Hi.
in php 8.1.9 i get the following php notices in the debug.log

[01-Mar-2023 07:52:16 UTC] PHP Deprecated:  Return type of FS_Key_Value_Storage::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in C:\Users\mspan\Local Sites\gastrob2b\app\public\wp-content\plugins\login-customizer\freemius\includes\managers\class-fs-key-value-storage.php on line 389

[01-Mar-2023 07:52:16 UTC] PHP Deprecated:  Return type of HM\BackUpWordPress\CleanUpIterator::accept() should either be compatible with FilterIterator::accept(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in C:\Users\mspan\Local Sites\gastrob2b\app\public\wp-content\plugins\backupwordpress\classes\class-path.php on line 456

[01-Mar-2023 07:52:28 UTC] PHP Deprecated:  Return type of FS_Key_Value_Storage::offsetExists($k) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in C:\Users\mspan\Local Sites\gastrob2b\app\public\wp-content\plugins\login-customizer\freemius\includes\managers\class-fs-key-value-storage.php on line 309

[01-Mar-2023 07:52:28 UTC] PHP Deprecated:  Return type of FS_Key_Value_Storage::offsetGet($k) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in C:\Users\mspan\Local Sites\gastrob2b\app\public\wp-content\plugins\login-customizer\freemius\includes\managers\class-fs-key-value-storage.php on line 317

[01-Mar-2023 07:52:28 UTC] PHP Deprecated:  Return type of FS_Key_Value_Storage::offsetSet($k, $v) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in C:\Users\mspan\Local Sites\gastrob2b\app\public\wp-content\plugins\login-customizer\freemius\includes\managers\class-fs-key-value-storage.php on line 301