[roll] Roll fuchsia [pkg-local-mirror][test] Use RepositoryUrl instead of RepoUrl

The types behave the same and RepoUrl is being deleted.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/687005
Original-Revision: d0d294bbc255bd2706def56e34edf357efcf3a75
GitOrigin-RevId: d5578eb129f98874b887e6f5d6af06b09f861618
Change-Id: Ib5942d1cc042c680b57aa9ca2d113e79439bd26f
diff --git a/stem b/stem
index 1158685..bf421d7 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="3f73bdb029b1942cd43ce6b86f91d387f2324581"/>
+             revision="d0d294bbc255bd2706def56e34edf357efcf3a75"/>
   </projects>
   <hooks>
     <hook name="install-environment"