Bump yosys from 1657917 to 07ac4c2

Bumps [yosys](https://github.com/YosysHQ/yosys) from `1657917` to `07ac4c2`.
- [Release notes](https://github.com/YosysHQ/yosys/releases)
- [Commits](YosysHQ/yosys@1657917...07ac4c2)

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

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