[osquery:master] 2 new commits by Teddy Reed and 1 other:

<https://github.com/osquery/osquery/commit/11451400161ab8c813fca256d665548c2cb47abc|1145140>

tables: Add optimization back to macOS users and groups - Teddy Reed

<https://github.com/osquery/osquery/commit/2c0da99016cbc66c12cda70344c562c09cb79dae|2c0da99>

Light refactor and fixes for the users and groups table - seph