[roll] Roll fuchsia [starnix] Improve Debug output of ThreadGroup.

Now includes the task name as well as the pid.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1188337
Original-Revision: a689f4a4a3f2f746fff9d96a30c5b9911b8d8294
GitOrigin-RevId: b6bc5420e2465b0799aba9e504e15d781fad0768
Change-Id: Ifc865576df2de0143d2be0e2bcf4ac89e54cb3f2
diff --git a/stem b/stem
index c2806a7..f616af9 100644
--- a/stem
+++ b/stem
@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="60d22ac48daf167b2075055e517213b22d38ef3c"/>
+             revision="a689f4a4a3f2f746fff9d96a30c5b9911b8d8294"/>
   </projects>
   <hooks>
     <hook name="install-environment"