build(deps): bump third_party/yosys from `74a1dd9` to `6c8ae44` (#2382)

Bumps [third_party/yosys](https://github.com/YosysHQ/yosys) from `74a1dd9` to `6c8ae44`.
- [Release notes](https://github.com/YosysHQ/yosys/releases)
- [Commits](https://github.com/YosysHQ/yosys/compare/74a1dd99ac0bc7355b5d8913bc4b7bb0160ddb1d...6c8ae44ae7ebe5cbad7cfaf2d0934701e29c9527)

---
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 74a1dd9..6c8ae44 160000
--- a/third_party/yosys
+++ b/third_party/yosys
@@ -1 +1 @@
-Subproject commit 74a1dd99ac0bc7355b5d8913bc4b7bb0160ddb1d
+Subproject commit 6c8ae44ae7ebe5cbad7cfaf2d0934701e29c9527