The lunar test week isos demand a minimum of 18G

Otherwise they refuse to install. Added some overhead to allow for trying package updating and installation as well.

quickget

@@ -879,6 +879,10 @@ EOF
             ;;
         esac
 
+        if [ "${OS}" == "ubuntu" ] && [[ ${RELEASE} == *"daily"*  ]]; then
+        # wont install  lobster testing with less than 18GB
+          echo "disk_size=\"32G\"" >> "${CONF_FILE}"
+        fi
         # Enable TPM for Windows 11
         if [ "${OS}" == "windows" ] && [ "${RELEASE}" -ge 11 ]; then
             echo "tpm=\"on\"" >> "${CONF_FILE}"