Log Message:
msgpack: updated to 3.2.1

version 3.2.1
* Fix snprintf return value checking
* Remove some warnings
* Fix fbuffer result checking
* Fix temporary object handling
* Improve cmake support
* Fix invalid `int main` parameter
* Improve supporting platform
* Fix ZLIB error handling
* Remove unused variable
* Improve integer overflow checking

version 3.2.0
* Fix invalid include
* Add timespec support
* Fix unchecked fnprintf on C
* Improve integer overflow checking on C
* Fix warnings on `-Wconversion`
* Fix invalid passed by value on aligned_zone_size_visitor
* Improve windows support
* Fix msgpack::object size caluclation error
* Fix memory error on example code
* Fix redundant memory allocation on C
* Fix msgpack::type::tuple base class conversion