fix: update express and path-to-regexp dependencies

[devin-ai-integration]

fix: update express and path-to-regexp to fix npm audit vulnerabilities

This PR updates the following packages to fix npm audit vulnerabilities:

• express: 4.21.1 -> 4.21.2
• path-to-regexp: 0.1.10 -> 0.1.12

Changes:

• Fixed moderate severity ReDoS vulnerability in path-to-regexp
• Updated express to use the patched version of path-to-regexp

Testing:

• Ran npm audit after changes to verify no vulnerabilities remain
• No new packages were added, only existing dependencies were updated
• Package functionality remains unchanged as these are patch version updates

Link to Devin run: https://app.devin.ai/sessions/44e1e47966de451faf414e12e2021655

[devin-ai-integration]

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[ashwin-ant]

Let's also update package.json