Add Hercules as valid machine in CI scripts (NOAA-EMC#2207)

Few updates to CI scripts to include names for hercules that where missed
the first time.

ci/scripts/check_ci.sh

@@ -22,7 +22,7 @@ REPO_URL="https://github.com/NOAA-EMC/global-workflow.git"
 
 source "${ROOT_DIR}/ush/detect_machine.sh"
 case ${MACHINE_ID} in
-  hera | orion)
+  hera | orion | hercules)
    echo "Running Automated Testing on ${MACHINE_ID}"
    source "${ROOT_DIR}/ci/platforms/config.${MACHINE_ID}"
    ;;

ci/scripts/driver.sh

@@ -34,7 +34,7 @@ export PS4='+ $(basename ${BASH_SOURCE})[${LINENO}]'
 
 source "${ROOT_DIR}/ush/detect_machine.sh"
 case ${MACHINE_ID} in
-  hera | orion)
+  hera | orion | hercules)
     echo "Running Automated Testing on ${MACHINE_ID}"
     source "${ROOT_DIR}/ci/platforms/config.${MACHINE_ID}"
     ;;
@@ -173,7 +173,7 @@ for pr in ${pr_list}; do
   # we need to exit this instance of the driver script
   #################################################################
   if [[ ${ci_status} -ne 0 ]]; then
-     build_PID_check=$("${ROOT_DIR}/ci/scripts/pr_list_database.py" --display "{pr}" --dbfile "${pr_list_dbfile}" | awk '{print $4}' | cut -d":" -f1) || true
+     build_PID_check=$("${ROOT_DIR}/ci/scripts/pr_list_database.py" --display "${pr}" --dbfile "${pr_list_dbfile}" | awk '{print $4}' | cut -d":" -f1) || true
      if [[ "${build_PID_check}" -ne "$$" ]]; then
         echo "Driver build PID: ${build_PID_check} no longer running this build ... exiting"
         exit 0

ci/scripts/driver_weekly.sh

@@ -38,7 +38,7 @@ export PS4='+ $(basename ${BASH_SOURCE[0]})[${LINENO}]'
 
 source "${ROOT_DIR}/ush/detect_machine.sh"
 case ${MACHINE_ID} in
-  hera | orion)
+  hera | orion | hercules)
     echo "Running Automated Testing on ${MACHINE_ID}"
     source "${ROOT_DIR}/ci/platforms/config.${MACHINE_ID}"
     ;;

ci/scripts/run_ci.sh

@@ -20,7 +20,7 @@ export PS4='+ $(basename ${BASH_SOURCE})[${LINENO}]'
 
 source "${ROOT_DIR}/ush/detect_machine.sh"
 case ${MACHINE_ID} in
-  hera | orion)
+  hera | orion | hercules)
    echo "Running Automated Testing on ${MACHINE_ID}"
    source "${ROOT_DIR}/ci/platforms/config.${MACHINE_ID}"
    ;;