Bump musiclib from 2.1.0 to 2.5.1

Bumps [musiclib](https://github.com/tandav/musiclib) from 2.1.0 to 2.5.1.
- [Release notes](https://github.com/tandav/musiclib/releases)
- [Commits](tandav/musiclib@v2.1.0...v2.5.1)

---
updated-dependencies:
- dependency-name: musiclib
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pyproject.toml

@@ -38,7 +38,7 @@ dev = [
     "mir_eval",
     "tqdm",
     "redis",
-    "musiclib==2.1.0",
+    "musiclib==2.5.1",
     "python-dotenv",
     "tabulate",
     "s3fs",