build(deps): bump third_party/yosys from 8acc77c to cbb95cb

Bumps [third_party/yosys](https://github.com/YosysHQ/yosys) from `8acc77c` to `cbb95cb`.
- [Release notes](https://github.com/YosysHQ/yosys/releases)
- [Commits](YosysHQ/yosys@8acc77c...cbb95cb)

---
updated-dependencies:
- dependency-name: third_party/yosys
  dependency-type: direct:production
...

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