Bump @babel/helpers from 7.24.4 to 7.27.0 in /packages/workbox-build

Bumps [@babel/helpers](https://github.com/babel/babel/tree/HEAD/packages/babel-helpers) from 7.24.4 to 7.27.0.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.27.0/packages/babel-helpers)

---
updated-dependencies:
- dependency-name: "@babel/helpers"
  dependency-version: 7.27.0
  dependency-type: indirect
...

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

Author: dependabot[bot]