chore(deps): security fixes and toolchain updates [EXP-406]

[harshalpatel91]

• Pin lodash 4.18.1; npm overrides for omit-deep-lodash, form-data, @tootallnate/once transitive issues
• Upgrade esbuild beyond GHSA advisory range; bump uuid to ^11.x
• Move Jest to 29 with jest-environment-jsdom; ts-jest and jsdom updates
• Add jest.setup.js for TextEncoder/TextDecoder under jsdom
• Set skipLibCheck in tsconfig for stable declaration builds

[github-actions]

🔒 Security Scan Results

ℹ️ Note: Only vulnerabilities with available fixes (upgrades or patches) are counted toward thresholds.

Check Type	Count (with fixes)	Without fixes	Threshold	Result
🔴 Critical Severity	0	0	10	✅ Passed
🟠 High Severity	0	0	25	✅ Passed
🟡 Medium Severity	0	0	500	✅ Passed
🔵 Low Severity	0	0	1000	✅ Passed

⏱️ SLA Breach Summary

✅ No SLA breaches detected. All vulnerabilities are within acceptable time thresholds.

Severity	Breaches (with fixes)	Breaches (no fixes)	SLA Threshold (with/no fixes)	Status
🔴 Critical	0	0	15 / 30 days	✅ Passed
🟠 High	0	0	30 / 120 days	✅ Passed
🟡 Medium	0	0	90 / 365 days	✅ Passed
🔵 Low	0	0	180 / 365 days	✅ Passed

✅ BUILD PASSED - All security checks passed