fix: update dependencies to address security vulnerabilities

[murrayju]

Summary

• Updated @modelcontextprotocol/sdk to fix 2 high severity CVEs:
  • DNS rebinding protection (GHSA-w48q-cv73-mx4w)
  • ReDoS vulnerability (GHSA-8r9q-7v3j-jr4g)
• Updated body-parser to fix moderate DoS vulnerability (GHSA-wqch-xfxh-vrr4)
• Updated qs to fix high severity DoS vulnerability (GHSA-6rw7-vpxm-498p)

Verification

• npm audit now reports 0 vulnerabilities
• Build passes successfully

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

---

Conductor Agent seems not to be a GitHub user. You need a GitHub account to be able to sign the CLA. If you have already a GitHub account, please add the email address used for this commit to your account.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}