Merge pull request rails#38609 from eileencodes/fix-error-in-deprecation

Fix error in deprecation

Author: eileencodes

activerecord/lib/active_record/database_configurations/database_config.rb

@@ -6,17 +6,20 @@ class DatabaseConfigurations
     # UrlConfig respectively. It will never return a DatabaseConfig object,
     # as this is the parent class for the types of database configuration objects.
     class DatabaseConfig # :nodoc:
-      attr_reader :env_name, :name, :spec_name
-      deprecate spec_name: "please use name instead"
+      attr_reader :env_name, :name
 
       attr_accessor :owner_name
 
       def initialize(env_name, name)
         @env_name = env_name
         @name = name
-        @spec_name = name
       end
 
+      def spec_name
+        @name
+      end
+      deprecate spec_name: "please use name instead"
+
       def config
         raise NotImplementedError
       end