Upgrade aruba

Also updates cucumber pin to existing version

Author: JonRowe

rspec-rails.gemspec

@@ -53,6 +53,6 @@ Gem::Specification.new do |s|
   end
 
   s.add_development_dependency 'ammeter',  '~> 1.1.5'
-  s.add_development_dependency 'aruba',    '~> 0.14.12'
-  s.add_development_dependency 'cucumber', '> 7.0'
+  s.add_development_dependency 'aruba',    '~> 2.3.1'
+  s.add_development_dependency 'cucumber', '>= 10.0'
 end