Log Message:
www/ruby-pygments.rb: update to 2.0.0

pkgsrc change: remove python27 restriction.

2.0.0 (2021-01-08) - @slonopotamus

* stop sending/receiving ids between Ruby and Python
* use close_others Ruby mechanism to prevent file descriptor leaking to
  Python

2.0.0.rc3 (2021-01-08) - @slonopotamus

* fix watchdog race condition leading to ThreadError(<killed thread>) on
  JRuby (#215)

2.0.0.rc2 (2021-01-07) - @slonopotamus

* Fix release workflow

2.0.0.rc1 (2021-01-07) - @slonopotamus

* Modify mentos.py to run on Python 3.x instead of Python 2.7
* Add :timeout parameter to allow for configurable timeouts
* Add several Python 3.x versions to test matrix
* Drop dependency on MultiJson
* Fix hanging on JRuby + Windows
* Update Pygments to 2.7.3
* Drop GitHub custom lexers
* Rework timeout handling
* Improve error message when Python is not found
* Breaking change Pygments.rb no longer sets default timeout for its
  operations
* Breaking change Now pygments.rb raises MentosError instead of returning
  nil on timeout