Bump rubocop-rspec to 1.7.0

Gemfile

@@ -296,7 +296,7 @@ group :development, :test do
   gem 'spring-commands-teaspoon', '~> 0.0.2'
 
   gem 'rubocop', '~> 0.42.0', require: false
-  gem 'rubocop-rspec', '~> 1.5.0', require: false
+  gem 'rubocop-rspec', '~> 1.7.0', require: false
   gem 'scss_lint', '~> 0.47.0', require: false
   gem 'haml_lint', '~> 0.18.2', require: false
   gem 'simplecov', '0.12.0', require: false

Gemfile.lock

@@ -625,8 +625,8 @@ GEM
       rainbow (>= 1.99.1, < 3.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.0, >= 1.0.1)
-    rubocop-rspec (1.5.0)
-      rubocop (>= 0.40.0)
+    rubocop-rspec (1.7.0)
+      rubocop (>= 0.42.0)
     ruby-fogbugz (0.2.1)
       crack (~> 0.4)
     ruby-prof (0.15.9)
@@ -945,7 +945,7 @@ DEPENDENCIES
   rspec-rails (~> 3.5.0)
   rspec-retry (~> 0.4.5)
   rubocop (~> 0.42.0)
-  rubocop-rspec (~> 1.5.0)
+  rubocop-rspec (~> 1.7.0)
   ruby-fogbugz (~> 0.2.1)
   ruby-prof (~> 0.15.9)
   sanitize (~> 2.0)