VULN-109557: fix: remediate vulnerable dependencies in splunk-example-ta

[Sukupate]

Summary

Regenerates the UI npm lockfile so the remaining vulnerable transitive dependencies resolve to safe versions. The lockfile continues to use public registry.npmjs.org package URLs.

Remediated by this PR

Ticket	Dependency	Vulnerable	Resolved
VULN-109557	storybook	8.5.7	8.6.18
VULN-109570	tmp	0.2.3	0.2.7
VULN-109578	uuid	11.0.5	11.1.1
VULN-109584	ws	6.2.3	6.2.6
VULN-109586	ws	7.5.10	7.5.13
VULN-109587	ws	8.18.0	8.21.3

Files changed

• ui/package-lock.json

Validation

• npm ci --registry=https://registry.npmjs.org
• npm run lint
• npm test -- --runInBand — 3 suites and 4 tests passed
• npm run build — completed successfully with size warnings only
• Lockfile verification — 1,473 public registry entries and no internal Artifactory URLs