Update msgpack-ruby to v1.3.1
This keeps the version consistent with CE/EE, saving a little disk space and build times.
Fixes a minor bug: https://github.com/msgpack/msgpack-ruby/compare/v1.3.0..v1.3.1
Edited by GitLab Release Tools Bot
This keeps the version consistent with CE/EE, saving a little disk space and build times.
Fixes a minor bug: https://github.com/msgpack/msgpack-ruby/compare/v1.3.0..v1.3.1