build(deps): bump third_party/yosys from 5fb3c0b to 72f77dd

Bumps [third_party/yosys](https://github.com/YosysHQ/yosys) from `5fb3c0b` to `72f77dd`.
- [Release notes](https://github.com/YosysHQ/yosys/releases)
- [Commits](YosysHQ/yosys@5fb3c0b...72f77dd)

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

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