Bump verilator/master from 8cc7e18 to 83081aa (#653)

Bumps [verilator/master](https://github.com/verilator/verilator) from `8cc7e18` to `83081aa`.
- [Commits](verilator/verilator@8cc7e18...83081aa)

---
updated-dependencies:
- dependency-name: verilator/master
  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]