Bump rollup from 2.26.1 to 2.26.3
Bump rollup from 2.26.1 to 2.26.3

Bumps [rollup](https://github.com/rollup/rollup) from 2.26.1 to 2.26.3.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rollup/rollup/compare/v2.26.1...v2.26.3)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
nathancahill/Split.js,nathancahill/Split.js