Bump rewriter from edcec73 to 2315c27

Bumps [rewriter](https://github.com/mit-plv/rewriter) from `edcec73` to `2315c27`.
- [Release notes](https://github.com/mit-plv/rewriter/releases)
- [Commits](mit-plv/rewriter@edcec73...2315c27)

---
updated-dependencies:
- dependency-name: rewriter
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>