chore: Bump rollup

Bumps the npm-security-updates group with 1 update in the /frontend directory: [rollup](https://github.com/rollup/rollup).


Updates `rollup` from 4.21.3 to 4.27.4
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v4.21.3...v4.27.4)

---
updated-dependencies:
- dependency-name: rollup
  dependency-type: indirect
  dependency-group: npm-security-updates
...

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