roll: pigweed, pw_toolchain: pw_status: Don't silently discard status returns

This fixes all instances in upstream Pigweed, but doesn't turn on
enforcement yet (I need to fix downstream Bazel projects separately
first).

Original-Bug: 357090965
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/227277
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
pigweed, pw_toolchain Rolled-Commits: 779488194f46bd0..474eecbbc9c11d0
Roller-URL: https://ci.chromium.org/b/8740673705974387969
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: If5c877d61c2e701afafe69fefe904ef97eaf1a3d
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/227491
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/WORKSPACE b/WORKSPACE
index 0213d4b..6a6b746 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -84,8 +84,8 @@
     name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-08-02.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8740674096978117105.
-    commit = "779488194f46bd0bd136915840ca1e886dbacc66",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8740673705974387969.
+    commit = "474eecbbc9c11d01da8f6d0bb941ec0ead1a531d",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed.git",
 )
 
@@ -93,8 +93,8 @@
     name = "pw_toolchain",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-08-02.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8740674096978117105.
-    commit = "779488194f46bd0bd136915840ca1e886dbacc66",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8740673705974387969.
+    commit = "474eecbbc9c11d01da8f6d0bb941ec0ead1a531d",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed.git",
     strip_prefix = "pw_toolchain_bazel",
 )