devel/ruby2ruby: update to 2.5.0

2.5.0 (2022-10-04)

5 minor enhancements:

* Added support for (most?) pattern matching.
* Added support for **kwrest.
* Added support for forward args (…), defn and call.
* Added support for preexe (BEGIN { … }).
* Support ruby 3.1 hash shorthand syntax. (presidentbeef)

3 bug fixes:

* Fix generation of case w/ no else.
* Fixed a bug block shadow vars (they're grouped)
* Fixed find_pat up (after fixing a find_pat bug in ruby_parser).

(taca)