[roll third_party/pigweed] roll: cmake

From: version:2@3.29.0.chromium.8
To: version:2@3.29.2.chromium.8
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/205150
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 98a790ed35ba482..2de4acb67e7e38d
Roller-URL: https://ci.chromium.org/b/8750105511244073489
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I7c91de89b4da57a62e230a53861565aa6ae08c6c
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/205172
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 98a790e..2de4acb 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 98a790ed35ba482bc475d48a3593a62cb13c2023
+Subproject commit 2de4acb67e7e38d68089831c28f8224040736b22