Drupal 10 Compatibility issues

Subject: Compatibility Issue with Drupal 10 in Address for Luxembourg module

Problem Statement:

The current version of Address for Luxembourg is not compatible with Drupal 10, leading to potential issues and limitations for users who are planning to upgrade their Drupal installations. This issue aims to address the compatibility gaps and ensure a smooth transition for users moving to Drupal 10.

Steps to Reproduce:

1. Install Drupal 10.
2. Enable Address for Luxembourg.
3. Encounter issues related to compatibility.

Expected Behavior:

Address for Luxembourg should be fully compatible with Drupal 10, ensuring that users can leverage the module's functionality seamlessly without encountering any compatibility-related issues.

Additional Information:

- Drupal Version: 10.x
- Address for Luxembourg Version: 1.x

Proposed Solution:

To resolve this compatibility issue, we may need to:

Review the Address for Luxembourg codebase to identify Drupal 10 compatibility gaps.
Update deprecated functions and methods.
Address any changes in Drupal 10 core that affect the functionality of Address for Luxembourg.
Test the module thoroughly on Drupal 10 to ensure all features work as expected.