Auto fixes from GitHub to fix potential security vulnerabilities.
Bump mime from 1.4.0 to 1.6.0
Bump sshpk from 1.13.1 to 1.16.1
Bump js-yaml from 3.9.1 to 3.13.1
Bump handlebars from 4.0.10 to 4.1.2
Bump mime from 1.4.0 to 1.6.0
Bump sshpk from 1.13.1 to 1.16.1
Bump js-yaml from 3.9.1 to 3.13.1
Bump handlebars from 4.0.10 to 4.1.2