chore(deps): update frontend security dependencies

[aarora79]

Summary

Consolidates security fixes from multiple Dependabot PRs into a single update:

• PR Bump node-forge from 1.3.1 to 1.3.2 in /frontend #261: node-forge 1.3.1 -> 1.3.2 (CVE-2025-12816, CVE-2025-66031, CVE-2025-66030)
• PR Bump js-yaml in /frontend #239: js-yaml 3.14.1 -> 3.14.2, 4.1.0 -> 4.1.1 (prototype pollution fix)
• PR Bump axios from 1.10.0 to 1.12.0 in /frontend #115: axios 1.10.0 -> 1.12.0 (bug fixes, type improvements)
• PR chore(deps): bump form-data in /frontend #97: form-data 3.0.3 -> 4.0.4 (crypto random for boundary values)
• PR chore(deps): bump on-headers and compression in /frontend #96: on-headers 1.0.2 -> 1.1.0, compression 1.8.0 -> 1.8.1 (CVE-2025-7339)

Test plan

• Reviewed all dependency changes as Senior SDE - no breaking changes
• Built frontend successfully with npm run build
• Built and pushed new registry Docker image to ECR
• Deployed to ECS and verified tasks are RUNNING and HEALTHY
• Verified new image serves traffic correctly

Notes

• All changes are to frontend dependencies only (package.json and package-lock.json)
• No new dependencies introduced - only version bumps of existing packages
• This PR supersedes PRs Bump node-forge from 1.3.1 to 1.3.2 in /frontend #261, Bump js-yaml in /frontend #239, Bump axios from 1.10.0 to 1.12.0 in /frontend #115, chore(deps): bump form-data in /frontend #97, and chore(deps): bump on-headers and compression in /frontend #96 which can be closed after merge