Bump rollup from 2.23.0 to 2.23.1 in /token/js (solana-labs#251)

Bumps [rollup](https://github.com/rollup/rollup) from 2.23.0 to 2.23.1.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v2.23.0...v2.23.1)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>