Bump msgpack from 1.0.7 to 1.0.8 (#8885)

Bumps [msgpack](https://github.com/msgpack/msgpack-python) from 1.0.7 to 1.0.8.
- [Release notes](https://github.com/msgpack/msgpack-python/releases)
- [Changelog](https://github.com/msgpack/msgpack-python/blob/main/ChangeLog.rst)
- [Commits](msgpack/msgpack-python@v1.0.7...v1.0.8)

---
updated-dependencies:
- dependency-name: msgpack
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements/extras/msgpack.txt

@@ -1 +1 @@
-msgpack==1.0.7
+msgpack==1.0.8