roll: pigweed pw_bloat: Fix GN build for size report generation

The size report diff script was incorrectly configured to use a
different script than build.py. This prevented the correct generation of
size reports, leading to aggregation failures.

Original-Bug: 406638041
Test: Build
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/279712
Original-Revision: 4d461ead92fc71f755f30350a6d9d4919daab1fa

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: e078345062efc9..4d461ead92fc71
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8719159790097845521
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ibeda4bb41fa8f65532ccae2fc93b702db4aabb06
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/279953
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 edf050e..fc605cc 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -41,8 +41,8 @@
     module_name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2025-03-28.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8719192892028736833.
-    commit = "e078345062efc9717a9bda19b5c9afac82df2e0a",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8719159790097845521.
+    commit = "4d461ead92fc71f755f30350a6d9d4919daab1fa",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed",
 )