[third_party/pigweed] Roll 3 commits

7bb5a76cced7e77 docs: Update changelog
201c503d9d3f066 pw_build: Add pw_elf_to_bin rule
fc373c8032fdfd0 pw_build: Populate executable field in return from

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 432437af38911f2..7bb5a76cced7e77
Roller-URL: https://ci.chromium.org/b/8746400337149829409
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ide2e39f77d157f4068134493c29af8c28fe12dfa
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/212795
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 432437a..7bb5a76 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 432437af38911f2806ab47d02a5ca9aa3a52ed17
+Subproject commit 7bb5a76cced7e7774e14a1246c7fc674a3850b34