Merge pull request #55688 from Shopify/drop-active-support-benchmar-extension

Do not issue `Benchmark.ms` deprecation when method exists in the gem

Author: byroot

activesupport/lib/active_support/core_ext/benchmark.rb

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 require "benchmark"
+return if Benchmark.respond_to?(:ms)
 
 class << Benchmark
   def ms(&block) # :nodoc