Implement updates and configurations to D1 database to run migrations before end to end tests

[kimitrii]

This pull request introduces several improvements and updates related to the D1 database configuration, test integration, and deployment process:

1. Configuration and Dependency Updates

   • Upgraded the Wrangler package to the latest version.
   • Updated the D1 database ID to match the new configuration.

2. CI/CD Improvements

   • Added a step to run migrations automatically before deployment to ensure database consistency.

3. E2E Testing Enhancements

   • Configured Vitest to apply migrations before running end-to-end tests.

4. Migration Refactoring

   • Renamed the migration from customer to users to better align with the new data model.

5. New Sample Endpoint Feature

   • Added a feature in the sample endpoint to insert a user into the D1 database for testing purposes.