Change wallclock time for GenEnsProd task for SFC and UPA field group…

…s from 02:30:00 to 04:15:00 to account for unexpected increase in time needed to complete GenEnsProd for UPA fields in the WE2E test "MET_ensemble_verification_only_vx_time_lag".

parm/wflow/verify_ens.yaml

@@ -157,7 +157,7 @@ metatask_GenEnsProd_EnsembleStat_SFC_UPA:
       ACCUM_HH: '01'
       FCST_LEVEL: 'all'
       FCST_THRESH: 'all'
-    walltime: 02:30:00
+    walltime: 04:15:00
     dependency:
       metataskdep_check_post_output:
          <<: *check_post_output