Fixes NoMethodError: `alias_method_chain` when requiring just active_support/core_ext

* Each file that uses `alias_method_chain` brings it in explicitly

activesupport/lib/active_support/core_ext/marshal.rb

+require 'active_support/core_ext/module/aliasing'
+
 module Marshal
   class << self
     def load_with_autoloading(source)

activesupport/lib/active_support/core_ext/range/include_range.rb

+require 'active_support/core_ext/module/aliasing'
+
 class Range
   # Extends the default Range#include? to support range comparisons.
   #  (1..5).include?(1..5) # => true