Need to start web_resp cache or mix task fails

lib/mix/pleroma.ex

@@ -14,7 +14,7 @@ defmodule Mix.Pleroma do
     :swoosh,
     :timex
   ]
-  @cachex_children ["object", "user", "scrubber"]
+  @cachex_children ["object", "user", "scrubber", "web_resp"]
   @doc "Common functions to be reused in mix tasks"
   def start_pleroma do
     Pleroma.Config.Holder.save_default()