Log Message:
devel/ruby-shoulda-matchers: update to 5.2.0

pkgsrc changes: reduce pkglint warnings.

5.2.0 (2022-09-17)

Features

* Add without_scopes method to enum matcher. (#1453)

* Add support for Ruby 3.1. (#1474)

* Add allow_blank method to validate_presence_of matcher. (#1499)

* Add support for Rails 7.0.  No new Rails 7.0 features are supported, but
  only existing features that broke with the upgrade. (#1506)