[roll] Roll fuchsia [bundles] Establish new rules for //bundles groups

This creates the new rules for the //bundles groups, and sets
the initial set of restricted OWNERS.

This CL does not change any existing groups.  Follow-on CLs
will start the creation of the new groups, as small changes.

Original-Fixed: 112012
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/733938
Original-Revision: 537c69fd5cfe62b0d1a936331e49e46bdd8d886b
GitOrigin-RevId: 322feaf8e8ea69826b5b1ae781b1453aeddba770
Change-Id: Ib42a5ee29deeeb6e51c9288433692f35ef011aa2
diff --git a/stem b/stem
index 4dd796e..35ff8e0 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="9a21af64923b13621fcfe5c003c5cd89d1fde3d5"/>
+             revision="537c69fd5cfe62b0d1a936331e49e46bdd8d886b"/>
   </projects>
   <hooks>
     <hook name="install-environment"