Added cgi to gemspec

Author: ankane

ahoy_matey.gemspec

@@ -16,6 +16,7 @@ Gem::Specification.new do |spec|
   spec.required_ruby_version = ">= 3.2"
 
   spec.add_dependency "activesupport", ">= 7.1"
+  spec.add_dependency "cgi"
   spec.add_dependency "device_detector", ">= 1"
   spec.add_dependency "safely_block", ">= 0.4"
 end