roll: pigweed docs: Add coroutine blog post

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/216111
Original-Revision: 91d4349e08e22c50e5a738dee31cc95724eab50d

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: b6e84ae48f25f3..91d4349e08e22c
Roller-URL: https://ci.chromium.org/b/8735050160902942433
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I4b196901cd834d3513db2cd22bbb67498af25e5f
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/240072
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/MODULE.bazel b/MODULE.bazel
index 82b7a3f..b925d47 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -48,18 +48,18 @@
 git_override(
     module_name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
-    # ROLL: Last updated 2024-10-03.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8735055459885209089.
-    commit = "b6e84ae48f25f37da692df0b5fcc148ffa9d3d58",
+    # ROLL: Last updated 2024-10-04.
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8735050160902942433.
+    commit = "91d4349e08e22c50e5a738dee31cc95724eab50d",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed",
 )
 
 git_override(
     module_name = "pw_toolchain",
     # ROLL: Warning: this entry is automatically updated.
-    # ROLL: Last updated 2024-10-03.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8735055459885209089.
-    commit = "b6e84ae48f25f37da692df0b5fcc148ffa9d3d58",
+    # ROLL: Last updated 2024-10-04.
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8735050160902942433.
+    commit = "91d4349e08e22c50e5a738dee31cc95724eab50d",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed",
     strip_prefix = "pw_toolchain_bazel",
 )