msgpuck: bump version to enable extension printer

In the new version an API is added to be able to customize MP_EXT
serializer for mp_snprint() and mp_fprint() functions.

Part of #4719

Reviewed-by: Cyrill Gorcunov <gorcunov@gmail.com>
Reviewed-by: Serge Petrenko <sergepetrenko@tarantool.org>
Reviewed-by: Nikita Pettik <korablev@tarantool.org>
Reviewed-by: Alexander Turenko <alexander.turenko@tarantool.org>