[Glitch] Fix transaction around settings migration

Port f1c1fa1411 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

db/migrate/20230215074424_move_glitch_user_settings.rb

@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class MoveGlitchUserSettings < ActiveRecord::Migration[6.1]
+  disable_ddl_transaction!
+
   class User < ApplicationRecord; end
 
   MAPPING = {