Merge pull request #22 from ruby-grape/dependabot/bundler/rack-2.0.8

Bump rack from 2.0.7 to 2.0.8

Author: dblock

Gemfile.lock

@@ -101,7 +101,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (4.0.1)
-    rack (2.0.7)
+    rack (2.0.8)
     rack-accept (0.4.5)
       rack (>= 0.4)
     rack-cors (1.0.6)