Test custom fork.

Author: ioquatix

gems/pitchfork-head-rack-v3.rb

@@ -5,7 +5,8 @@
 
 eval_gemfile '../gems.rb'
 
-gem "pitchfork", git: "https://github.com/Shopify/pitchfork.git"
+# gem "pitchfork", git: "https://github.com/Shopify/pitchfork.git"
+gem "pitchfork", git: "https://github.com/ioquatix/pitchfork.git", branch: "delete-upgrade-request-header"
 gem "rack", "~> 3.0"
 
 # export RACK_CONFORM_SERVER="pitchfork -E none"