[osquery:experimental] 2 new commits by Alexander Kindyakov:

<https://github.com/facebook/osquery/commit/45d22373e6c4b459b5972182a91eb488bcd892fb|45d2237>

"schemer" serialisation framework (#5544) - Alexander Kindyakov

<https://github.com/facebook/osquery/commit/7671a1af3c8453078407e954b0044117a539599b|7671a1a>

schemer formatters: json serializer (#5545) - Alexander Kindyakov