Log Message:
devel/ruby-msgpack: update to 1.6.1

1.6.1 (2023-03-03)

* Undefine #clone and #dup on MessagePack::Buffer, MessagePack::Packer and
  MessagePack::Unpacker.  These methods were never intended, and using them
  could cause leaks or crashes or worse.

* Fix a possible GC crash when GC trigger inside MessagePack::Buffer.new
  (#314).