Update Chef from "15.12.22" to "15.14.0"

The following dependencies have been updated by dependencies.io:

• chef/chef-zero from "15.0.0" to "15.0.3"
• chef/chef from "15.12.22" to "15.14.0"
• chef/mixlib-log from "3.0.8" to "3.0.9"

One new deprecation to look out for:

https://github.com/chef/chef/blob/249583c6c0493e71c845e4a6eb0e87e1ea762d62/RELEASE_NOTES.md

Chef Infra Client 16.2 and later require provides when assigning a name to a custom resource. In order to prepare for Chef Infra Client 16, make sure to include both resource_name and provides in resources when specifying a custom name.