fix(monitoring): allow sapcontrol exit code 3

The sapcontrol command returns exit code 3 for successful execution
in this context. Previously, only exit code 0 was accepted, causing
false error alerts and script termination when the process was healthy.

hana_processes.sh

@@ -23,7 +23,7 @@ log_message "$SCRIPT_NAME" "Starting HANA process status check..."
 process_list=$(su - "$HANA_USER" -c "sapcontrol -nr ${HANA_INSTANCE_NR} -function GetProcessList" 2>&1)
 sapcontrol_status=$?
 
-if [ $sapcontrol_status -ne 0 ]; then
+if [ $sapcontrol_status -ne 3 ]; then
     log_message "$SCRIPT_NAME" "ERROR: sapcontrol command failed with exit code ${sapcontrol_status}"
     send_alert "$SCRIPT_NAME" "HANA Monitor Error" "sapcontrol command failed. Exit code: ${sapcontrol_status}"
     exit 1