Resolve ActiveSupport::Configurable deprecation warnings

Similar to rails/rails#53970, replicates its functionality inside `ViewComponent::Configurable`.

Author: boardfish

lib/view_component/base.rb

@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
 require "action_view"
-require "active_support/configurable"
 require "view_component/collection"
 require "view_component/compile_cache"
 require "view_component/compiler"

lib/view_component/configurable.rb

@@ -4,14 +4,30 @@ module ViewComponent
   module Configurable
     extend ActiveSupport::Concern
 
+    class_methods do
+      def config
+        @_config ||= if respond_to?(:superclass) && superclass.respond_to?(:config)
+          superclass.config.inheritable_copy
+        else
+          ActiveSupport::OrderedOptions.new
+        end
+      end
+
+      def configure
+        yield config
+      end
+    end
+
     included do
       next if respond_to?(:config) && config.respond_to?(:view_component) && config.respond_to_missing?(:instrumentation_enabled)
 
-      include ActiveSupport::Configurable
-
       configure do |config|
         config.view_component ||= ActiveSupport::InheritableOptions.new
       end
+
+      def config
+        self.class.config
+      end
     end
   end
 end