Bump third-party/verilator/master from b11ec23 to dca555b (#856)

Bumps [third-party/verilator/master](https://github.com/verilator/verilator) from `b11ec23` to `dca555b`.
- [Commits](verilator/verilator@b11ec23...dca555b)

---
updated-dependencies:
- dependency-name: third-party/verilator/master
  dependency-version: dca555b6d7dc39f1d6d53a1a9b3822223e5cd771
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]