Bump third-party/verilator/master from caca1fc to 0b23787 (#868)

Bumps [third-party/verilator/master](https://github.com/verilator/verilator) from `caca1fc` to `0b23787`.
- [Commits](verilator/verilator@caca1fc...0b23787)

---
updated-dependencies:
- dependency-name: third-party/verilator/master
  dependency-version: 0b23787d6c495a3dc703708c3574b741bcfa9ac0
  dependency-type: direct:production
...

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

Author: dependabot[bot]