Log Message:
devel/ruby-rspec-rails: update to 4.0.1

Update ruby-rspec-rails to 4.0.1.

### 4.0.1 / 2020-05-16

Bug Fixes:

* Remove warning when calling `driven_by` in system specs. (Aubin Lorieux,
  #2302)

* Fix comparison of times for `#at` in job matchers. (Jon Rowe, Markus
  Doits, #2304)

* Allow `have_enqueued_mail` to match when a sub class of
  `ActionMailer::DeliveryJob` is set using
  `<Class>.delivery_job=`. (Atsushi Yoshida #2305)

* Restore Ruby 2.2.x compatibility. (Jon Rowe, #2332)

* Add `required_ruby_version` to gem spec. (Marc-André Lafortune, #2319,
  #2338)