[roll third_party/pigweed] pw_toolchain: Wrap the C standard library abort function

The abort or std::abort function does not work as intended by default.
Typically, its implementation pulls in some undesired dependencies, such
as std::raise, and ends in a while (true) loop, rather than crashing.

This commit adds a wrapped implementation of abort that redirects to
PW_CRASH.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/112310

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 6d68798c659f9cc..71e8310be2e24d6
Roller-URL: https://ci.chromium.org/b/8801840664986819137
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: If2062be582402d158f9eaa382736c80f66219f89
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/112260
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 6d68798..71e8310 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 6d68798c659f9cc5237ec1079322792181dbbdf5
+Subproject commit 71e8310be2e24d62dc8de93d0cd7ab85f02e33ad