Update Gemfile.lock

Gemfile.lock

@@ -41,7 +41,7 @@ GEM
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
     arel (8.0.0)
-    ast (2.3.0)
+    ast (2.4.0)
     builder (3.2.3)
     capybara (2.16.1)
       addressable
@@ -109,7 +109,6 @@ GEM
     nio4r (2.1.0)
     nokogiri (1.8.1)
       mini_portile2 (~> 2.3.0)
-    parallel (1.12.0)
     parser (2.4.0.2)
       ast (~> 2.3)
     pkg-config (1.2.8)
@@ -155,11 +154,10 @@ GEM
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
-    rubocop (0.51.0)
-      parallel (~> 1.10)
+    rubocop (0.47.0)
       parser (>= 2.3.3.1, < 3.0)
       powerpack (~> 0.1)
-      rainbow (>= 2.2.2, < 3.0)
+      rainbow (>= 1.99.1, < 3.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.0, >= 1.0.1)
     ruby-progressbar (1.9.0)