[roll] Roll fuchsia [assembly] Add images_config to assembly_builder to include in forensics file

This adds the images_config to the assembly builder so that
when the forensics file is dumped out, it also contains the
images config data in addition to the rest of the config.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1109989
Original-Revision: cb24bab17e60528c97c2ef57c81e81400b901c80
GitOrigin-RevId: 84ac47d77a0061a5e55b82aebd82d4165a4a114a
Change-Id: I056f18d5cdf7e15501abb43e55cbc0f717e337fc

stem

diff --git a/stem b/stem
index c6116db..2f51a42 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="484ed0b0f1dbb74ca5f69df9af171b80ed48a05e"/>
+             revision="cb24bab17e60528c97c2ef57c81e81400b901c80"/>
   </projects>
   <hooks>
     <hook name="install-environment"