chore(deps-dev): bump rollup (#328)

Bumps the dev-dependencies group with 1 update in the /reference-lib directory: [rollup](https://github.com/rollup/rollup).


Updates `rollup` from 4.29.2 to 4.31.0
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v4.29.2...v4.31.0)

---
updated-dependencies:
- dependency-name: rollup
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
...

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Author: dependabot[bot]