Fix Layout/ArgumentAlignment offenses in spec/database

.rubocop_todo/layout/argument_alignment.yml

...b/database/background_migration/batched_migration_spec.rb

...se/background_migration/batched_migration_wrapper_spec.rb

.../database/background_migration/prometheus_metrics_spec.rb

spec/lib/gitlab/database/bulk_update_spec.rb

spec/lib/gitlab/database/loose_foreign_keys_spec.rb

...ib/gitlab/database/migrations/constraints_helpers_spec.rb

spec/lib/gitlab/database/migrations/instrumentation_spec.rb

...atabase/migrations/test_batched_background_runner_spec.rb

.../database/partitioning/detached_partition_dropper_spec.rb

...lib/gitlab/database/partitioning/monthly_strategy_spec.rb

...itlab/database/partitioning/sliding_list_strategy_spec.rb

...base/partitioning_migration_helpers/index_helpers_spec.rb

...ioning_migration_helpers/table_management_helpers_spec.rb

spec/lib/gitlab/database/postgres_constraint_spec.rb

spec/lib/gitlab/database/tables_truncate_spec.rb