[roll] Roll fuchsia [test_spec][botanist] Add bootup_timeout_secs to test_spec.

This will allow cuckoo tests to define the timeout for how long the
custom images they run should take to boot up so that we wait enough
time to try to establish an SSH connection.

Run-All-Tests: true
Original-Bug: 327668450, 322239710
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1025378
Original-Revision: 0174ccdb0a6c4113b4c9f625c5f07c302e2144a8
GitOrigin-RevId: b84c7da61903bbd15b56bd23de74b77ddf136dda
Change-Id: I24ee7ed221eaab39356b2e184a86433ed4436ccb
diff --git a/stem b/stem
index 9922511..5ff3ce4 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="3e4b9138b4a31885284c8d7714f23f0675bebf34"/>
+             revision="0174ccdb0a6c4113b4c9f625c5f07c302e2144a8"/>
   </projects>
   <hooks>
     <hook name="install-environment"