Log Message:
devel/ruby-parser: update to 3.16.0

3.16.0 / 2021-05-15

* 1 major enhancement:

  - Added tentative 3.0 support.

* 3 minor enhancements:

  - Added lexing for "beginless range" (bdots).
  - Added parsing for bdots.
  - Updated rake compare task to download xz files, bumped versions, etc

* 4 bug fixes:

  - Bump rake dependency to >= 10, < 15. (presidentbeef)
  - Bump sexp_processor dependency to 4.15.1+. (pravi)
  - Fixed minor state mismatch at the end of parsing to make diffing a
    little cleaner.
  - Fixed normalizer to deal with new bison token syntax