chore(backend): update dependency apq to v2

Author: plural-renovate[bot]

apps/graphql/mix.exs

@@ -64,7 +64,7 @@ defmodule Graphql.MixProject do
       {:absinthe_relay, "~> 1.5.2"},
       {:absinthe_plug, "~> 1.5.8"},
       {:dataloader, "== 1.0.10", override: true},
-      {:apq, "~> 1.2.1"},
+      {:apq, "~> 2.0.0"},
       {:hammer, "~> 6.1"},
 
       {:core, in_umbrella: true}