The default test_data.rb needs to be updated for 7.1

[infews]

** Invoke test_data:initialize (first_time)
** Invoke test_data:verify_config (first_time)
** Execute test_data:verify_config
** Invoke environment (first_time)
** Execute environment
DEPRECATION WARNING: `Rails.application.secrets` is deprecated in favor of `Rails.application.credentials` and will be removed in Rails 7.2. (called from block in <main> at /Users/dwfrank/workspace/meals/config/environments/test_data.rb:7)
rake aborted!
NoMethodError: undefined method `generate_development_secret' for #<Meals::Application> (NoMethodError)

  self.secrets.secret_key_base ||= Rails.application.send(:generate_development_secret)
                                                    ^^^^^
Did you mean?  generate_local_secret

I know this was mentioned in #2, but it appears 7.1 has changed this, maybe for the better.

I've found that fixing the Deprecation and moving to :generate_local_secret gets me to the same error as #9.

I can submit a PR, but I'm not sure it works...yet.