Log Message:
www/ruby-request_store: update to 1.5.1

pkgsrc change: correct CATEGORIES to www.

1.5.1 (2022-01-18)

* Add Truffleruby head to CI
* GitHub is HTTPS by default
* CI: Drop unused sudo: false Travis directive
* Fix fatal crash when a mutable const is returned by the app
* Docs: add fetch