[third_party/pigweed] Roll 2 commits

04b24a89a24be81 bazel: Localize backend label flags
130004ab3b161b9 pw_libc: Define LIBC_FAST_MATH for the faster inte

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: e58a9ad72c86c4c..04b24a89a24be81
Roller-URL: https://ci.chromium.org/b/8753538855919617169
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I0223ac3f89f018df55787aee8125b29cf837172a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/196163
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 e58a9ad..04b24a8 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit e58a9ad72c86c4c0c209585ffab665f304e66a6d
+Subproject commit 04b24a89a24be81cd8ffac1df6e784f28d9e24bd