[third_party/pigweed] Roll 2 commits

25c981df913f421 pw_build: Detect EOF on macOS in pw-wrap-ninja
4855987e331fc88 pw_build: Fix inaccurate 'num started' display in

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: f4296c1d23525f5..25c981df913f421
Roller-URL: https://ci.chromium.org/b/8790801395442614593
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ic0269e93f2d875179b8f2f9d0c4b356238667018
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/126994
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index f4296c1..25c981d 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit f4296c1d23525f5c3188da9f30f97b73329222ef
+Subproject commit 25c981df913f421a05647c789786a976f16132fb