Bump msgpack from 0.6.1 to 0.6.2
Bump msgpack from 0.6.1 to 0.6.2

Bumps [msgpack](https://github.com/msgpack/msgpack-python) from 0.6.1 to 0.6.2.
- [Release notes](https://github.com/msgpack/msgpack-python/releases)
- [Changelog](https://github.com/msgpack/msgpack-python/blob/master/ChangeLog.rst)
- [Commits](https://github.com/msgpack/msgpack-python/compare/v0.6.1...v0.6.2)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>

sejust/pykit,sejust/pykit,baishancloud/pykit,baishancloud/pykit