Foreign keys are expected in reverse order

[aidanharan]

Foreign keys are expected in reversed order.

Fixes:

https://github.com/rails-sqlserver/activerecord-sqlserver-adapter/actions/runs/16113377465/job/45461734371

  3) Failure:
ActiveRecord::Migration::CompatibilityTest#test_remove_foreign_key_on_8_0 [/usr/local/bundle/bundler/gems/rails-4621f7131d2a/activerecord/test/cases/migration/compatibility_test.rb:706]:
StandardError expected but nothing was raised.

Test added by rails/rails#55086