[roll third_party/pigweed] pw_presubmit: Update Python vendor wheel dir

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/161514

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 92c77d8ce303795..abf8be3fea71793
Roller-URL: https://ci.chromium.org/b/8774017632252686225
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I937790655b8925621c8320e878b0695f57ba61fc
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/161710
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 92c77d8..abf8be3 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 92c77d8ce303795ecb4c43d1b57bccb77abbc1a0
+Subproject commit abf8be3fea71793c1c85820cec335be7ca90c4d1