test fix

Author: jgallagher

nexus/mgs-updates/src/test_util/host_phase_2_test_state.rs

@@ -127,7 +127,7 @@ impl HostPhase2TestContext {
             .version_policy(dropshot::VersionPolicy::Dynamic(Box::new(
                 dropshot::ClientSpecifiesVersionInHeader::new(
                     omicron_common::api::VERSION_HEADER,
-                    sled_agent_api::VERSION_MULTICAST_SUPPORT,
+                    sled_agent_api::latest_version(),
                 ),
             )))
             .start()