This command upgrades all eligible taxonomies to the latest available patch version. In other words, it performs only upgrades at patch level of a specific release. Running this command is meaningful only if there are upgradeable taxonomies available. You can identify upgradeable taxonomies by running the list -u command.
<exec> upgrade [options]
Display help about this command at the command line.
Display only error messages. The default value is false.
Display additional information during execution. The default value is false.