Merge branch 'glemieux/lnd/fates-api36.1'(PR #6639)

Updates the FATES default parameter file to include improvements to arctic shrub pft represetation per NGEET/fates#1236 conducting per the NGEE-Arctic project.
The parameter file update also includes improvements in understory survival rates per NGEET/fates#1136.

[non-BFB] for fates

components/elm/bld/namelist_files/namelist_defaults.xml

@@ -134,7 +134,7 @@ attributes from the config_cache.xml file (with keys converted to upper-case).
 <!-- ================================================================== -->
 <!-- FATES default parameter file                                       -->
 <!-- ================================================================== -->
-<fates_paramfile >lnd/clm2/paramdata/fates_params_api.36.0.0_12pft_c240517.nc</fates_paramfile>
+<fates_paramfile >lnd/clm2/paramdata/fates_params_api.36.1.0_14pft_c241003.nc</fates_paramfile>
 
 <!-- soil order related parameters (relative to {csmdata}) -->
 <fsoilordercon             >lnd/clm2/paramdata/CNP_parameters_c131108.nc</fsoilordercon>