Fix upstream's cubic-ai-bot's issues.

Fixes:

P0: Missing ;; terminator after the debian) case block in make_vm_config(), which causes a shell syntax error when bash parses the script.

quickget

@@ -1673,6 +1673,7 @@ EOF
                     echo "tpm=\"on\"" >> "${CONF_FILE}"
                 fi
                 echo "secureboot=\"on\"" >> "${CONF_FILE}"
+                ;;
             deepin)
                 echo "disk_size=\"64G\"" >> "${CONF_FILE}"
                 echo "ram=\"4G\"" >> "${CONF_FILE}"