Some sobelow fixes

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/mobilizon/discussions/discussions.ex

@@ -58,6 +58,7 @@ defmodule Mobilizon.Discussions do
   @doc """
   Callback for Absinthe Ecto Dataloader
   """
+  # sobelow_skip ["SQL.Query"]
   @spec data :: Dataloader.Ecto.t()
   def data do
     Dataloader.Ecto.new(Repo, query: &query/2)

lib/mobilizon/resources/resources.ex

@@ -185,6 +185,7 @@ defmodule Mobilizon.Resources do
     end)
   end
 
+  # sobelow_skip ["SQL.Query"]
   @spec update_children(Multi.t(), Resource.t(), map()) :: Multi.t()
   defp update_children(
          %Multi{} = multi,