Merge pull request #27 from SmartBear/dependabot/bundler/rack-2.2.3

Bump rack from 2.2.2 to 2.2.3

Author: benjamin-ltr

Gemfile.lock

@@ -58,7 +58,7 @@ GEM
       binding_of_caller (>= 0.7)
       pry (>= 0.9.11)
     psych (3.0.3)
-    rack (2.2.2)
+    rack (2.2.3)
     rake (13.0.1)
     rdoc (6.0.4)
     rspec (3.8.0)