roll: pigweed pw_async2: Add Join combinator

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/244612
Original-Revision: cec451dc5c2cb132717068d686e4e034b06762c9

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 5f2649a6e5afde..cec451dc5c2cb1
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8732596494667880161
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ia2b1fcdac2be02aff1626ed886cfaa699d13bd19
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/245577
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 c3fc420..ca3e628 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -48,8 +48,8 @@
     module_name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-10-31.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8732607524882191265.
-    commit = "5f2649a6e5afdecd7b5d59aab06f59bb4d73d9f3",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8732596494667880161.
+    commit = "cec451dc5c2cb132717068d686e4e034b06762c9",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed",
 )
 
@@ -57,8 +57,8 @@
     module_name = "pw_toolchain",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-10-31.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8732607524882191265.
-    commit = "5f2649a6e5afdecd7b5d59aab06f59bb4d73d9f3",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8732596494667880161.
+    commit = "cec451dc5c2cb132717068d686e4e034b06762c9",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed",
     strip_prefix = "pw_toolchain_bazel",
 )