[Snyk] Security upgrade express from 4.19.2 to 4.21.1

[RedLegendDev]

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • skyvern-frontend/package.json
  • skyvern-frontend/package-lock.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	601/1000 Why? Recently disclosed, Has a fix available, CVSS 6.3	Cross-site Scripting (XSS) SNYK-JS-COOKIE-8163060	No	No Known Exploit

(*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: express

The new version differs by 53 commits.

• 8e229f9 4.21.1
• a024c8a fix(deps): cookie@0.7.1
• 7e562c6 4.21.0
• 1bcde96 fix(deps): qs@6.13.0 (chore(ci): add trevor-cheung to OSS sync workflows Skyvern-AI/skyvern#5946)
• 7d36477 fix(deps): serve-static@1.16.2 (fix(workflow): skip block retry on anti-bot detection (SKY-8957) Skyvern-AI/skyvern#5951)
• 40d2d8f fix(deps): finalhandler@1.3.1
• 77ada90 Deprecate `"back"` magic string in redirects (fix(SKY-9153): skip wasted iteration-0 validate in element_fallback Skyvern-AI/skyvern#5935)
• 21df421 4.20.0
• 4c9ddc1 feat: upgrade to serve-static@0.16.0
• 9ebe5d5 feat: upgrade to send@0.19.0 (Add command-aware env scope resolver Skyvern-AI/skyvern#5928)
• ec4a01b feat: upgrade to body-parser@1.20.3 (Make quickstart choose the install path Skyvern-AI/skyvern#5926)
• 54271f6 fix: don't render redirect values in anchor href
• 125bb74 path-to-regexp@0.1.10 (fix(SKY-9696): replace Radix Tabs with plain buttons in LoopNode Skyvern-AI/skyvern#5902)
• 2a980ad merge-descriptors@1.0.3 (fix(SKY-9430): bypass parse_api_response for reviewer LLM calls Skyvern-AI/skyvern#5781)
• a3e7e05 docs: specify new instructions for `question` and `discuss`
• c5addb9 deps: path-to-regexp@0.1.8 (chore(security): add .npmrc ignore-scripts to remaining npm workspaces Skyvern-AI/skyvern#5603)
• e35380a docs: add @ IamLizu to the triage team (Deprecate Streamlit credential path Skyvern-AI/skyvern#5836)
• f5b6e67 docs: update scorecard link (copilot prompt: drill into extraction sub-fields downstream (SKY-9490) Skyvern-AI/skyvern#5814)
• 2177f67 docs: add OSSF Scorecard badge (fix(SKY-8803): unblock concurrent browser launches in parallel for-loop engine Skyvern-AI/skyvern#5436)
• f4bd86e Replace Appveyor windows testing with GHA (feat: Google OAuth foundation — frontend UI (SKY-8165) Skyvern-AI/skyvern#5599)
• 2ec589c Fix Contributor Covenant link definition reference in attribution section (Bump version to 1.0.32 Skyvern-AI/skyvern#5762)
• 4cf7eed remove minor version pinning from ci (fix(SKY-9338): copilot resolver routes thinking through extra_args Skyvern-AI/skyvern#5722)
• 6d08471 📝 update people, add ctcpip to TC (feat: add cursor visualization for Playwright video recordings Skyvern-AI/skyvern#5683)
• 61421a8 skip QUERY tests for Node 21 only, still not supported (feat(SKY-9206): wire copilot atomic accept endpoint into chat UI Skyvern-AI/skyvern#5695)

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