Fix RSpec/EmptyLineAfterFinalLetItBe for ee/spec/models

.rubocop_manual_todo.yml

...leased/rspec-empty-lines-after-letitbe-ee-spec-models.yml

ee/spec/models/analytics/cycle_analytics/group_level_spec.rb

ee/spec/models/burndown_spec.rb

ee/spec/models/ci/build_spec.rb

ee/spec/models/ci/daily_build_group_report_result_spec.rb

ee/spec/models/ci/minutes/notification_spec.rb

ee/spec/models/concerns/epic_tree_sorting_spec.rb

ee/spec/models/dora/daily_metrics_spec.rb

ee/spec/models/ee/ci/build_dependencies_spec.rb

ee/spec/models/ee/iteration_spec.rb

ee/spec/models/ee/namespace/root_storage_size_spec.rb

ee/spec/models/ee/namespace_spec.rb

ee/spec/models/ee/personal_access_token_spec.rb

ee/spec/models/epic_spec.rb

ee/spec/models/geo/lfs_object_registry_spec.rb

ee/spec/models/gitlab_subscription_spec.rb

ee/spec/models/group_member_spec.rb

ee/spec/models/instance_security_dashboard_spec.rb

ee/spec/models/issue_spec.rb