[roll] Roll fuchsia [rust-3p] Update tuf to 0.3.0-beta4

Original-Fixed: 90998

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/639472
Original-Revision: f8ff0d11f6af277fe3c8c9eaabc40be0e8eb9245
GitOrigin-RevId: cadaf08c52a082f654a732395da9cb860443943d
Change-Id: Idd5d926c28da7cb4792f0194e9e42905273430cd
diff --git a/stem b/stem
index c4016ad..ee065ee 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="9cd7cc22c0dcc118faf5592801219cc9104f9f09"/>
+             revision="f8ff0d11f6af277fe3c8c9eaabc40be0e8eb9245"/>
   </projects>
   <hooks>
     <hook name="install-environment"