Bump yosys from 032fab1 to ab6c1d3

Bumps [yosys](https://github.com/YosysHQ/yosys) from `032fab1` to `ab6c1d3`.
- [Release notes](https://github.com/YosysHQ/yosys/releases)
- [Commits](YosysHQ/yosys@032fab1...ab6c1d3)

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

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