Bump rewriter from 9496def to 27a5326

Bumps [rewriter](https://github.com/mit-plv/rewriter) from `9496def` to `27a5326`.
- [Release notes](https://github.com/mit-plv/rewriter/releases)
- [Commits](mit-plv/rewriter@9496def...27a5326)

---
updated-dependencies:
- dependency-name: rewriter
  dependency-version: 27a53261fda88f9d30e7520da23ded50764254f1
  dependency-type: direct:production
...

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Author: dependabot[bot]