Bump msgpackr from 1.6.2 to 1.10.1 in /server

Bumps [msgpackr](https://github.com/kriszyp/msgpackr) from 1.6.2 to 1.10.1.
- [Release notes](https://github.com/kriszyp/msgpackr/releases)
- [Commits](https://github.com/kriszyp/msgpackr/commits/v1.10.1)

---
updated-dependencies:
- dependency-name: msgpackr
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>