Elixir 1.15: Chase the Logger.warn deprecation

test/support/helpers.ex

@@ -41,7 +41,7 @@ defmodule Pleroma.Tests.Helpers do
     # NOTE: `clear_config([section, key], value)` != `clear_config([section], key: value)` (!)
     # Displaying a warning to prevent unintentional clearing of all but one keys in section
     if Keyword.keyword?(temp_setting) and length(temp_setting) == 1 do
-      Logger.warn(
+      Logger.warning(
         "Please change `clear_config([section], key: value)` to `clear_config([section, key], value)`"
       )
     end

test/support/http_request_mock.ex

@@ -21,7 +21,7 @@ defmodule HttpRequestMock do
     else
       error ->
         with {:error, message} <- error do
-          Logger.warn(to_string(message))
+          Logger.warning(to_string(message))
         end
 
         {_, _r} = error