build(deps): bump third_party/yosys from `3231c1c` to `d73f71e` (#2340)

Bumps [third_party/yosys](https://github.com/YosysHQ/yosys) from `3231c1c` to `d73f71e`.
- [Release notes](https://github.com/YosysHQ/yosys/releases)
- [Commits](https://github.com/YosysHQ/yosys/compare/3231c1cd932b9cffba9651c3264d337093eaed32...d73f71e813dc636dac1b9f04a4f50183dedec234)

---
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 3231c1c..d73f71e 160000
--- a/third_party/yosys
+++ b/third_party/yosys
@@ -1 +1 @@
-Subproject commit 3231c1cd932b9cffba9651c3264d337093eaed32
+Subproject commit d73f71e813dc636dac1b9f04a4f50183dedec234