build(deps): bump third_party/yosys from `7d30f71` to `031ad38` (#2274)

Bumps [third_party/yosys](https://github.com/YosysHQ/yosys) from `7d30f71` to `031ad38`.
- [Release notes](https://github.com/YosysHQ/yosys/releases)
- [Commits](https://github.com/YosysHQ/yosys/compare/7d30f716e82ff4782b653cb2c448062f7878c308...031ad38b5cc2410823089e1990cd68694a4a9bb3)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
diff --git a/third_party/yosys b/third_party/yosys
index 7d30f71..031ad38 160000
--- a/third_party/yosys
+++ b/third_party/yosys
@@ -1 +1 @@
-Subproject commit 7d30f716e82ff4782b653cb2c448062f7878c308
+Subproject commit 031ad38b5cc2410823089e1990cd68694a4a9bb3