Bump msgpack from 1.1.2 to 1.2.1

Bumps [msgpack](https://github.com/msgpack/msgpack-python) from 1.1.2 to 1.2.1.
- [Release notes](https://github.com/msgpack/msgpack-python/releases)
- [Changelog](https://github.com/msgpack/msgpack-python/blob/main/CHANGELOG.md)
- [Commits](msgpack/msgpack-python@v1.1.2...v1.2.1)

---
updated-dependencies:
- dependency-name: msgpack
  dependency-version: 1.2.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -54,7 +54,7 @@ dependencies = [
 	"librt==0.11.0",
 	"markdown==3.10.2",
 	"Mastodon.py==2.2.1",
-	"msgpack==1.1.2",
+	"msgpack==1.2.1",
 	"nodeenv==1.10.0",
 	"opentelemetry-api>=1.41.1",
 	"opentelemetry-exporter-otlp-proto-http>=1.41.1,<2",