[roll] Roll fuchsia [sshd] Add core/sshd-host to diagnostics config

Diagnostics soft transition from appmgr/sys/sshd-host to core/sshd-host

Original-Bug: 90440
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/671548
Original-Revision: 3e4006d1a3250e1cfc504c9d530f956c39cf6e3b
GitOrigin-RevId: 9f2958766d8af934fdaecc1997cdb28a6e7158fe
Change-Id: I00931792f0fd5bb19f1cd601c458e5d8a4690574
diff --git a/stem b/stem
index f187475..68e5603 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="5ee51d9e507957725f724602fdd8cb9818b7a70c"/>
+             revision="3e4006d1a3250e1cfc504c9d530f956c39cf6e3b"/>
   </projects>
   <hooks>
     <hook name="install-environment"