[roll] Roll fuchsia [fdf][rust] Fix lock contention on task drop

When dropping the future of a task because the dispatcher is shutting
down, we need to make sure we aren't holding the lock on the currently
active future in case something tries to re-wake the task. Otherwise we
get a lock poisoning crash.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1241765
Original-Revision: 65fef7c5785d2e2666dafd54dfa690002360756e
GitOrigin-RevId: c417731a88d6ef21050d0e2781fe3bbafdf0a315
Change-Id: I265be9cfbe32d7b450cfb4eedf8c79e4e3672b8e
diff --git a/stem b/stem
index 93d3286..64efb96 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="6ef61bf533df262570ba4c5a58a87f1fe3630eb8"/>
+             revision="65fef7c5785d2e2666dafd54dfa690002360756e"/>
   </projects>
   <hooks>
     <hook name="install-environment"