build(deps): bump third_party/yosys from `8e1e2b9` to `4b3c03d` (#2454)

Bumps [third_party/yosys](https://github.com/YosysHQ/yosys) from `8e1e2b9` to `4b3c03d`.
- [Release notes](https://github.com/YosysHQ/yosys/releases)
- [Commits](https://github.com/YosysHQ/yosys/compare/8e1e2b9a39fa6eb340165bfbf87509c4df26db6b...4b3c03dabcae29882dc66de475a0947c2ed435cd)

---
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 8e1e2b9..4b3c03d 160000
--- a/third_party/yosys
+++ b/third_party/yosys
@@ -1 +1 @@
-Subproject commit 8e1e2b9a39fa6eb340165bfbf87509c4df26db6b
+Subproject commit 4b3c03dabcae29882dc66de475a0947c2ed435cd