Update Composer dependencies

- Upgraded `aws/aws-sdk-php` to `3.373.1`
- Updated various Filament packages to `v4.8.4`
- Bumped `guzzlehttp/psr7` to `2.9.0`
- Upgraded `laravel/framework` to `v12.54.1`
- Incremented other dependencies and dev dependencies to their latest versions for compatibility and improvements.

Author: rbruhn