fix credo

Author: rafaeelaudibert

lib/posthog/handler.ex

@@ -8,6 +8,7 @@ defmodule PostHog.Handler do
 
   alias PostHog.Context
 
+  # credo:disable-for-next-line Credo.Check.Design.TagTODO
   # TODO: add @impl :logger_handler once we drop support for OTP < 27
   @doc false
   def log(log_event, %{config: config}) do