Bump bootsnap from 1.8.1 to 1.9.1 (#16759)

Bumps [bootsnap](https://github.com/Shopify/bootsnap) from 1.8.1 to 1.9.1.
- [Release notes](https://github.com/Shopify/bootsnap/releases)
- [Changelog](https://github.com/Shopify/bootsnap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Shopify/bootsnap/compare/v1.8.1...v1.9.1

)

---
updated-dependencies:
- dependency-name: bootsnap
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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