Bump rubocop-rspec from 2.27.0 to 3.0.1

In this version, the RSpec Rails cops have been extracted to a new
`rubocop-rspec_rails` gem [1], and the `RSpec/Capybara/FeatureMethods`
has been removed in favor of the `RSpec/Dialect` cop.

Bumps [rubocop-rspec](https://github.com/rubocop/rubocop-rspec) from 2.27.0 to 3.0.1.
- [Release notes](https://github.com/rubocop/rubocop-rspec/releases)
- [Changelog](https://github.com/rubocop/rubocop-rspec/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop/rubocop-rspec/compare/v2.27.0...v3.0.1)

---
updated-dependencies:
- dependency-name: rubocop-rspec
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

[1] https://docs.rubocop.org/rubocop-rspec/upgrade_to_version_3.html
[2] https://docs.rubocop.org/rubocop-rspec/cops_rspec.html#rspecdialect

.rubocop.yml

@@ -4,6 +4,7 @@ require:
   - rubocop-performance
   - rubocop-rails
   - rubocop-rspec
+  - rubocop-rspec_rails
 
 AllCops:
   DisplayCopNames: true
@@ -533,12 +534,6 @@ RSpec/BeNil:
   Enabled: true
   EnforcedStyle: be
 
-RSpec/Capybara/FeatureMethods:
-  Enabled: true
-  EnabledMethods:
-    - scenario
-    - xscenario
-
 RSpec/ContextMethod:
   Enabled: true
 
@@ -546,6 +541,14 @@ RSpec/DescribedClass:
   Enabled: true
   EnforcedStyle: explicit
 
+RSpec/Dialect:
+  Enabled: true
+  PreferredMethods:
+    background: :before
+    given:      :let
+    given!:     :let!
+    feature:    :describe
+
 RSpec/EmptyExampleGroup:
   Enabled: true
   Exclude:
@@ -595,18 +598,6 @@ RSpec/NotToNot:
 RSpec/OverwritingSetup:
   Enabled: true
 
-RSpec/Rails/HaveHttpStatus:
-  Enabled: true
-
-RSpec/Rails/InferredSpecType:
-  Enabled: true
-
-RSpec/Rails/NegationBeValid:
-  Enabled: true
-
-RSpec/Rails/TravelAround:
-  Enabled: true
-
 RSpec/ReceiveMessages:
   Enabled: true
 
@@ -634,6 +625,18 @@ RSpec/SpecFilePathSuffix:
 RSpec/VoidExpect:
   Enabled: true
 
+RSpecRails/HaveHttpStatus:
+  Enabled: true
+
+RSpecRails/InferredSpecType:
+  Enabled: true
+
+RSpecRails/NegationBeValid:
+  Enabled: true
+
+RSpecRails/TravelAround:
+  Enabled: true
+
 Security/Eval:
   Enabled: true