Bump @babel/core from 7.17.5 to 7.28.0 in /frontend

---
updated-dependencies:
- dependency-name: "@babel/core"
  dependency-version: 7.28.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]