roll: pigweed 940b063..d7751d2 (4 commits)

d7751d2:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/336192 pw_grpc: Allow running test against existing server
9ed4d38:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/336133 pw_grpc: Allow sending reponses with empty payload
acf4824:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/336153 pw_grpc: Remove use of multibuf v1
ea111b6:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/336053 pw_grpc: Require send allocator for Connection

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 940b063ad1b76f..d7751d2a055a64
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8700343021533682833
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I027d3fe404209627cd8e29b053b9411fc88c00ef
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/336337
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/MODULE.bazel b/MODULE.bazel
index 7cf96cb..78b5af0 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -42,8 +42,8 @@
     module_name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2025-10-22.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8700354053367510145.
-    commit = "940b063ad1b76ff249548a61114b23efddde5548",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8700343021533682833.
+    commit = "d7751d2a055a64e8a1c78a104cb22c24eca4dc98",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed",
 )