roll: pigweed 8db2d07..c4c8c7b (3 commits)

c4c8c7b:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/349317 pw_web: Clean up migration shim
b4e8539:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/347732 pw_bluetooth_proxy: Encapsulate internal allocator
ee8b6ee:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/348653 pw_build: Split Bazel docs

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 8db2d07b7e1e4d..c4c8c7be6a2edd
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8697102759420421777
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I8b77d3d9bc7b5fd1637b1fbb572c568155a14fe0
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/349365
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/MODULE.bazel b/MODULE.bazel
index 9d18f42..727a262 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -42,7 +42,7 @@
     module_name = "pigweed",
     # ROLL: Warning: this entry is automatically updated by
     # ROLL: https://cr-buildbucket.appspot.com/builder/pigweed/quickstart.roll/pigweed-quickstart-bazel-roller
-    commit = "8db2d07b7e1e4dbaf282a6aad41d081b3a68f368",
+    commit = "c4c8c7be6a2edd18076865fd4e9b66830c1dee48",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed",
 )