roll: pigweed, pw_toolchain: pw_channel: Add StreamChannel adapter

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/225651
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https://pigweed.googlesource.com/pigweed/pigweed
pigweed, pw_toolchain Rolled-Commits: 4879aeb9c2336a5..3eb05cc65bc78e5
Roller-URL: https://ci.chromium.org/b/8741501239768931825
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I1c82a7fc7b42fd61b7a224062ce64eaeaef88bd7
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/225642
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 a5eceb2..cbba628 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -84,8 +84,8 @@
     name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-07-24.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8741501645490978737.
-    commit = "4879aeb9c2336a5012ca85f30d5cfd7b2b5bf5b4",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8741501239768931825.
+    commit = "3eb05cc65bc78e5169761549c2a740430b83048b",
     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 2024-07-24.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8741501645490978737.
-    commit = "4879aeb9c2336a5012ca85f30d5cfd7b2b5bf5b4",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8741501239768931825.
+    commit = "3eb05cc65bc78e5169761549c2a740430b83048b",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed.git",
     strip_prefix = "pw_toolchain_bazel",
 )