Bump pyarrow from 21.0.0 to 25.0.0 in /ml/hardware-recommender

Bumps [pyarrow](https://github.com/apache/arrow) from 21.0.0 to 25.0.0.
- [Release notes](https://github.com/apache/arrow/releases)
- [Commits](apache/arrow@apache-arrow-21.0.0...apache-arrow-25.0.0)

---
updated-dependencies:
- dependency-name: pyarrow
  dependency-version: 25.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

ml/hardware-recommender/requirements.txt

@@ -1,7 +1,7 @@
 huggingface-hub==0.34.3
 numpy==2.2.6
 pandas==2.3.1
-pyarrow==21.0.0
+pyarrow==25.0.0
 pytest==8.4.1
 torch==2.13.0
 # Training-time only (export_onnx.py) — the packaged app never installs