This commit fixes the Thinkst Canary integration which - based on the
schema in upstream documentation - incorrectly assumed that some fields
would always be sent, which meant that the integration would fail. In
addition, this commit adjusts support for canarytokens to only support
the canarytoken schema with Thinkst Canaries (not Thinkst's
canarytokens.org).
Signed-off-by: David Wood <david@davidtw.co>
David Wood