Bump rewriter from bf64674 to c45abd0 (mit-plv#1763)

Bumps [rewriter](https://github.com/mit-plv/rewriter) from `bf64674` to `c45abd0`.
- [Release notes](https://github.com/mit-plv/rewriter/releases)
- [Commits](mit-plv/rewriter@bf64674...c45abd0)

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

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