build(deps): bump third_party/tools/yosys from 7aa26b3 to 1bbc12f

Bumps [third_party/tools/yosys](https://github.com/YosysHQ/yosys) from `7aa26b3` to `1bbc12f`.
- [Release notes](https://github.com/YosysHQ/yosys/releases)
- [Commits](YosysHQ/yosys@7aa26b3...1bbc12f)

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

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