Merge pull request #67 from splitrb/dependabot/bundler/rack-2.2.6.3

Bump rack from 2.2.6.2 to 2.2.6.3

Author: andrehjr

Gemfile.lock

@@ -4,7 +4,7 @@ GEM
     connection_pool (2.3.0)
     mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
-    rack (2.2.6.2)
+    rack (2.2.6.3)
     rack-protection (3.0.5)
       rack
     redis (5.0.5)