Merge pull request #1236 from indentlabs/dependabot/bundler/rack-2.2.6.4

Bump rack from 2.2.6.2 to 2.2.6.4

Author: drusepth

Gemfile.lock

@@ -1515,7 +1515,7 @@ GEM
     pundit (2.2.0)
       activesupport (>= 3.0.0)
     racc (1.6.2)
-    rack (2.2.6.2)
+    rack (2.2.6.4)
     rack-mini-profiler (3.0.0)
       rack (>= 1.2.0)
     rack-proxy (0.7.6)