Log Message:
www/ruby-rails70: update to 7.0.2.3

Changes are in devel/ruby-activestorage70 only.

Rails 7.0.2.3 (March 08, 2022)

* Added image transformation validation via configurable allow-list.

  Variant now offers a configurable allow-list for
  transformation methods in addition to a configurable deny-list for arguments.

  [CVE-2022-21831]