roll: third_party/pigweed 4 commits

e6665db1a2f466e pw_cli: Add missing modules to Bazel build
1aa0264cdafa992 roll: cipd
8e09a4c6339490c pw_chrono: Add docs metadata
519f0b724d9394c pw_toolchain: Color diagnostics in Bazel

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 3bf60a7ec0808b4..e6665db1a2f466e
Roller-URL: https://ci.chromium.org/b/8744203648283796305
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ia471e732bb4bb0ad25f666d6f3c745c36d3c9a54
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/217796
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 3bf60a7..e6665db 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 3bf60a7ec0808b4fa08c1f3b314973b9543f39ae
+Subproject commit e6665db1a2f466e976e99ee4a0459d726bbba5f9