fix: resolve engine.io v6.6.4 package vulnerability

[yassinedorbozgithub]

Summary

Updated the vulnerable engine.io package from v4.1.0 to a patched version to resolve a known security vulnerability. This change is limited to the dependency update and does not modify application behavior.

Why

Keeping dependencies up to date helps maintain a secure codebase by addressing known vulnerabilities while reducing security risks for downstream users.

How to review

• Review the dependency update in the lockfile and package manifest.
• Verify that the updated engine.io version is installed.
• Confirm there are no unintended changes outside the dependency upgrade.

Validation

• Verified the project installs successfully with the updated dependency.
• Confirmed the application builds and existing functionality remains unaffected.
• Verified the reported engine.io v4.1.0 vulnerability is no longer present.