Fix Rails 7.1 compatibility by ensuring active_support is required before railtie

Not sure if this is us, strictly speaking but we seem to need to require active_support before the railties or the issue at rails/rails#49495 (comment) occurs

Since we do reference loggers here, seems appropriate for us to require ourselves.

Author: chadlwilson

src/main/ruby/jruby/rack/rails/railtie.rb

@@ -6,6 +6,7 @@
 # See the file LICENSE.txt for details.
 #++
 
+require 'active_support'
 require 'rails/railtie'
 require 'pathname'
 
@@ -42,17 +43,7 @@ class Railtie < ::Rails::Railtie
         logger.level = logger.class.const_get(log_level.to_s.upcase)
         log_formatter = config.log_formatter if config.respond_to?(:log_formatter) # >= 4.0
         logger.formatter = log_formatter if log_formatter && logger.respond_to?(:formatter=)
-        if defined?(ActiveSupport::TaggedLogging)
-          if ActiveSupport::TaggedLogging.is_a?(Class) # Rails 3.2
-            logger = ActiveSupport::TaggedLogging.new(logger)
-          else # Rails 4.0
-            # extends the logger as well as it's logger.formatter instance :
-            # NOTE: good idea to keep or should we use a clone as Rails.logger ?
-            #dup_logger = logger.dup
-            #dup_logger.formatter = logger.formatter.dup
-            logger = ActiveSupport::TaggedLogging.new(logger)
-          end
-        end
+        logger = ActiveSupport::TaggedLogging.new(logger)
         logger
       end
     end

src/spec/ruby/rails3x/stub/active_support.rb

@@ -0,0 +1,9 @@
+#--
+# Copyright (c) 2010-2012 Engine Yard, Inc.
+# Copyright (c) 2007-2009 Sun Microsystems, Inc.
+# This source code is available under the MIT license.
+# See the file LICENSE.txt for details.
+#++
+
+module ActiveSupport
+end