Fix deprecation horizon for ActionController::Parameters#==

The deprecation will be released in Rails 7.1, so the behaviour won't be
removed until the version after.

Author: eugeneius

actionpack/lib/action_controller/metal/strong_parameters.rb

@@ -271,7 +271,7 @@ def ==(other)
         if Hash === other
           ActiveSupport::Deprecation.warn <<-WARNING.squish
             Comparing equality between `ActionController::Parameters` and a
-            `Hash` is deprecated and will be removed in Rails 7.1. Please only do
+            `Hash` is deprecated and will be removed in Rails 7.2. Please only do
             comparisons between instances of `ActionController::Parameters`. If
             you need to compare to a hash, first convert it using
             `ActionController::Parameters#new`.