[osquery:experimental] 3 new commits by Filipe Manco:

<https://github.com/facebook/osquery/commit/d14fd5d538e01169ad1782809a11596c0f0b82f2|d14fd5d>

Move plugins to a separate directory [5/?] (#5483) - Filipe Manco

<https://github.com/facebook/osquery/commit/e9131db4f7987b4c384d357db6505b8778edb4c7|e9131db>

Fix numeric monitoring plugin not being registered (#5484) - Filipe Manco

<https://github.com/facebook/osquery/commit/c2019aa6486b0c1bc646ec1f3bd57e9abf0dd602|c2019aa>

Move plugins to a separate directory [6/?] (#5485) - Filipe Manco