[roll] Roll fuchsia [sys/lib] open -> open3

Original-Bug: 361450366
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1144276
Original-Revision: e562b5de4bb8d40972408042482f78b8bb3e4b79
GitOrigin-RevId: 6cd27e1299aa94d5c7f7b484a0ecb2d714fd23f9
Change-Id: I64274fb7964df26e7ea8e0e8b8a7c0c4fbcbf11c
diff --git a/stem b/stem
index ae4b7c6..ae9bd96 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="0d5e9c046f0d09d1319dfb4a685790edb5ef7cf5"/>
+             revision="e562b5de4bb8d40972408042482f78b8bb3e4b79"/>
   </projects>
   <hooks>
     <hook name="install-environment"