build(deps): bump third_party/yosys from `9f27923` to `91fbd58` (#2331)

Bumps [third_party/yosys](https://github.com/YosysHQ/yosys) from `9f27923` to `91fbd58`.
- [Release notes](https://github.com/YosysHQ/yosys/releases)
- [Commits](https://github.com/YosysHQ/yosys/compare/9f27923782e0c9c8fb6298778929271eb06bcb02...91fbd58980e87ad5dc0a5d37c049ffaf5ab243dd)

---
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>

third_party/yosys

diff --git a/third_party/yosys b/third_party/yosys
index 9f27923..91fbd58 160000
--- a/third_party/yosys
+++ b/third_party/yosys
@@ -1 +1 @@
-Subproject commit 9f27923782e0c9c8fb6298778929271eb06bcb02
+Subproject commit 91fbd58980e87ad5dc0a5d37c049ffaf5ab243dd