Bump rewriter from 2f9a755 to 5b13cd7

Bumps [rewriter](https://github.com/mit-plv/rewriter) from `2f9a755` to `5b13cd7`.
- [Release notes](https://github.com/mit-plv/rewriter/releases)
- [Commits](mit-plv/rewriter@2f9a755...5b13cd7)

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

Signed-off-by: dependabot[bot] <[email protected]>