Merge pull request smallstep#307 from smallstep/key-encipherment

Key encipherment

Bump version of cli to v0.14.5

Merge pull request smallstep#282 from smallstep/nacl-string-format

Add support for the string: prefix

CI/CD: general release should push version and latest tag

Bump certificates to v0.14.4

Fix linter error

Fixing version and tag vars in make.

Fixing version and tag vars in make.

Fixing version and tag vars in make.

Bump certificates to v0.14.1 to attempt to break dependency cycle.