chore(deps): bump mlx-lm from 0.30.5 to 0.30.6 in /cmd/runtimes/mlx (#3195)

Bumps [mlx-lm](https://github.com/ml-explore/mlx-lm) from 0.30.5 to 0.30.6.
- [Release notes](https://github.com/ml-explore/mlx-lm/releases)
- [Commits](ml-explore/mlx-lm@v0.30.5...v0.30.6)

---
updated-dependencies:
- dependency-name: mlx-lm
  dependency-version: 0.30.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

cmd/runtimes/mlx/requirements.txt

@@ -1,6 +1,6 @@
 # MLX libraries.
 mlx[cuda]==0.30.5
 mlx-data==0.1.0
-mlx-lm==0.30.5
+mlx-lm==0.30.7
 # HuggingFace libraries.
 datasets==4.5.0