Update RDHPCS Hera resource for eupd task (NOAA-EMC#2636)

As per @wx20jjung, the resource for the `eupd` task have been updated
for RDHPCS Hera to account for memory issues for C384 `gdaseupd` job
fails.

Resolves NOAA-EMC#2454 

---------

Co-authored-by: Walter Kolczynski - NOAA <Walter.Kolczynski@noaa.gov>

parm/config/gfs/config.resources

@@ -1049,9 +1049,11 @@ case ${step} in
         if [[ "${machine}" == "WCOSS2" ]]; then
           export npe_eupd=315
           export nth_eupd=14
-        elif [[ ${machine} == "S4" ]]; then
+        elif [[ "${machine}" == "S4" ]]; then
            export npe_eupd=160
            export nth_eupd=2
+        elif [[ "${machine}" == "HERA" ]]; then
+          export npe_eupd=80
         fi
         ;;
       "C192" | "C96" | "C48")