build(deps-dev): bump rollup from 2.26.6 to 2.26.11 (#49)

Bumps [rollup](https://github.com/rollup/rollup) from 2.26.6 to 2.26.11.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v2.26.6...v2.26.11)

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Author: dependabot[bot]