[air](deps): Bump deepspeed in /python/requirements/ml

Bumps [deepspeed](https://github.com/deepspeedai/DeepSpeed) from 0.12.3 to 0.18.4.
- [Release notes](https://github.com/deepspeedai/DeepSpeed/releases)
- [Commits](deepspeedai/DeepSpeed@v0.12.3...v0.18.4)

---
updated-dependencies:
- dependency-name: deepspeed
  dependency-version: 0.18.4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

python/requirements/ml/train-requirements.txt

@@ -1,3 +1,3 @@
-deepspeed==0.12.3
+deepspeed==0.18.4
 datasets
 huggingface-hub>=0.24.0