Fix deprecation message

The message was partially duplicated because
`deprecation_warning` was being called instead of `warn`

Author: rafaelfranca

activerecord/lib/active_record/tasks/database_tasks.rb

@@ -444,7 +444,7 @@ def cache_dump_filename(db_config_or_name, schema_cache_path: nil)
             ENV["SCHEMA_CACHE"] ||
             db_config_or_name.default_schema_cache_path(ActiveRecord::Tasks::DatabaseTasks.db_dir)
         else
-          ActiveRecord.deprecator.deprecation_warning(<<~MSG.squish)
+          ActiveRecord.deprecator.warn(<<~MSG.squish)
             Passing a database name to `cache_dump_filename` is deprecated and will be removed in Rails 7.3. Pass a
             `ActiveRecord::DatabaseConfigurations::DatabaseConfig` object instead.
           MSG

activerecord/test/cases/tasks/database_tasks_test.rb

@@ -400,7 +400,7 @@ def test_deprecated_cache_dump_filename_with_env_override
       ENV["SCHEMA_CACHE"] = "tmp/something.yml"
 
       ActiveRecord::Tasks::DatabaseTasks.stub(:db_dir, "db") do
-        path = assert_deprecated(ActiveRecord.deprecator) do
+        path = assert_deprecated(/Passing a database name to `cache_dump_filename` is deprecated and will be removed in Rails 7\.3\. Pass a `ActiveRecord::DatabaseConfigurations::DatabaseConfig` object instead\. \(/, ActiveRecord.deprecator) do
           ActiveRecord::Tasks::DatabaseTasks.cache_dump_filename("primary")
         end
         assert_equal "tmp/something.yml", path