roll: pigweed 86e8936..4b1ffcb (3 commits)

4b1ffcb:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/315472 pw_containers: Add methods to bulk copy/move to GenericVarLenEntryQueue
055542d:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/328973 pw_transfer: Add TransferHandlerAllocator
0840cac:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/330275 pw_presubmit: Get formatting tests working in Bazel

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 86e89365fa0bde..4b1ffcbe282525
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8701634008018494145
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Iaf1c10e881a69dba0776f28817f0cf9c101e1554
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/330352
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/MODULE.bazel b/MODULE.bazel
index 1dac555..ce59b71 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -42,8 +42,8 @@
     module_name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2025-10-07.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8701645041119271345.
-    commit = "86e89365fa0bde9911538b8ae078e6b476826664",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8701634008018494145.
+    commit = "4b1ffcbe282525d67724562e06180489851c01c2",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed",
 )