Bump rollup from 2.41.2 to 2.50.3 (#249)

Bumps [rollup](https://github.com/rollup/rollup) from 2.41.2 to 2.50.3.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v2.41.2...v2.50.3)

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