[roll] Roll fuchsia [starnix] Allow updating any anonymous mapping to executable

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/703531
Original-Revision: f2b0bcf965cf4abb143a38ae75a25508c848d2d8
GitOrigin-RevId: ab1ffae91f09e8b53732f5ec49a473db8174ba56
Change-Id: Ieaae05e3e93ecade6ce7d1c45e83b56569ab84e0

stem

diff --git a/stem b/stem
index c7b6261..076451d 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="ff07f30fd9f72996b65793f8ba117c52657c735c"/>
+             revision="f2b0bcf965cf4abb143a38ae75a25508c848d2d8"/>
   </projects>
   <hooks>
     <hook name="install-environment"