added missing atexit logout for zabbix_host module (#63785)

lib/ansible/modules/monitoring/zabbix/zabbix_host.py

@@ -742,6 +742,7 @@ def main():
         zbx = ZabbixAPI(server_url, timeout=timeout, user=http_login_user, passwd=http_login_password,
                         validate_certs=validate_certs)
         zbx.login(login_user, login_password)
+        atexit.register(zbx.logout)
     except Exception as e:
         module.fail_json(msg="Failed to connect to Zabbix server: %s" % e)