Bump rspec-rails from 4.0.0 to 4.0.1 (#13788)

Bumps [rspec-rails](https://github.com/rspec/rspec-rails) from 4.0.0 to 4.0.1.
- [Release notes](https://github.com/rspec/rspec-rails/releases)
- [Changelog](https://github.com/rspec/rspec-rails/blob/master/Changelog.md)
- [Commits](https://github.com/rspec/rspec-rails/compare/v4.0.0...v4.0.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Gemfile.lock

@@ -529,7 +529,7 @@ GEM
     rspec-mocks (3.9.1)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.9.0)
-    rspec-rails (4.0.0)
+    rspec-rails (4.0.1)
       actionpack (>= 4.2)
       activesupport (>= 4.2)
       railties (>= 4.2)