Can we release a new version for recent Ruby?

[kou]

Recent Ruby recommends migrating Data to TypedData.
Data will be removed in the future.
See also: ruby/ruby#15447

yajl-ruby did it by #232 . If we release a new version, we can use yajl-ruby after Ruby removes deprecated Data.

Can we release a new version for recent Ruby?

[byroot]

cc @jhawthorn, I see you did cut the last release?