fix: remediate Example TA dependency vulnerabilities

[Sukupate]

Summary

Remediates five dependency vulnerability tickets in the Example TA UI dependency graph.

Remediated tickets

• VULN-108207: jsonata 2.0.6 → 2.2.0
• VULN-108190: js-yaml 4.1.0 → 4.3.0
• VULN-108187: js-yaml 3.14.1 → 3.15.0
• VULN-108052: protocol-buffers-schema 3.6.0 → 3.6.1
• VULN-108008: fast-uri 3.0.6 → 3.1.5

Validation

• Clean npm install from ui/package-lock.json
• Jest: 4 tests passed
• ESLint and Prettier passed
• Production webpack build passed

Jira closure

After merge and fresh FOSSA verification, close each ticket with VEX status resolved and justification upgraded_to_safe_version.