- Updated various dependencies in Cargo.toml to their latest versions for improved performance and security.
- Refactored the Google OAuth service to streamline the creation of the OAuth client and improve code readability.
- Changed the way WebSocket messages are sent in clear_db_test.rs to use `into()` for better type handling.
- Enhanced error handling and logging in the Google OAuth callback method.
- Implemented tests for creating, retrieving, updating, and deleting mentors in `mentor_repository_test.rs`.
- Added tests for user authentication, including successful login, invalid email formats, and inactive users in `auth_login_tests.rs`.
- Created a mock test environment setup in `mock_test.rs` to facilitate database operations during tests.
- Updated module structure to include new test files for mentors and authentication.
- Ensured cleanup of the database after tests to maintain isolation and prevent side effects.