[roll] Roll fuchsia [build][bazel_sdk] Reformat for buildifier 6.4.0 (load-order only)

Only fixes load statement order to make it easier to review.
Another CL will remove remaining warnings after this one.

Original-Bug: b/316557812
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/961535
Original-Revision: 4ea20c23700af4686826b5ab4205149cd1320efc
GitOrigin-RevId: 4664d5ea3ac07f75a457b11cb619a0f41ff03872
Change-Id: I6866ee3a9fa402c865ba53fdb2fb6d1ecb347fe2
diff --git a/stem b/stem
index 8c903b1..9ea551f 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="a4e5c7895bd5a081e1d6d298f7f3d1bf3ec0a540"/>
+             revision="4ea20c23700af4686826b5ab4205149cd1320efc"/>
   </projects>
   <hooks>
     <hook name="install-environment"