wp cli update

Updates WP-CLI to the latest release


--patchOnly perform patch updates
--minorOnly perform minor updates
--majorOnly perform major updates
--stableUpdate to the latest stable release. Skips update check
--nightlyUpdate to the latest built version of the master branch. Potentially unstable
--yesDo not prompt for confirmation
--insecureRetry without certificate validation if TLS handshake fails. Note: This makes the request vulnerable to a MITM attack