Updated integrations/node_js/server.js to fix security vulnerability [javascript.express.security.audit.express-check-csurf-middleware-usage.express-check-csurf-middleware-usage]

[anupamme]

Context and Purpose:

This PR automatically remediates a security vulnerability:

• Description: A CSRF middleware was not detected in your express application. Ensure you are either using one such as csurf or csrf (see rule references) and/or you are properly doing CSRF validation in your routes with a token or cookies.
• Rule ID: javascript.express.security.audit.express-check-csurf-middleware-usage.express-check-csurf-middleware-usage
• Severity: HIGH
• File: integrations/node_js/server.js
• Lines Affected: 4 - 4

This change is necessary to protect the application from potential security risks associated with this vulnerability.

Solution Implemented:

The automated remediation process has applied the necessary changes to the affected code in integrations/node_js/server.js to resolve the identified issue.

Please review the changes to ensure they are correct and integrate as expected.