Log Message:
www/ruby-sinatra: update to 3.0.6

ruby-sinatra-contrib and ruby-rack-protection are the same source.

3.0.6 (2023-04-11)

* Fix: Add support to keep open streaming connections with Puma #1858 by
  Jordan Owens
* Fix: Avoid crash in uri helper on Integer input #1890 by Patrik Ragnarsson
* Fix: Rescue RuntimeError when trying to use SecureRandom #1888 by Stefan
  Sundin