chore(deps): bump mlx[cuda] from 0.30.5 to 0.30.6 in /cmd/runtimes/mlx (#3196)

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

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

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Author: dependabot[bot]

cmd/runtimes/mlx/requirements.txt

@@ -1,5 +1,5 @@
 # MLX libraries.
-mlx[cuda]==0.30.5
+mlx[cuda]==0.30.6
 mlx-data==0.1.0
 mlx-lm==0.30.7
 # HuggingFace libraries.