Bump pytest from 8.4.1 to 9.1.1 in /ml/hardware-recommender

Bumps [pytest](https://github.com/pytest-dev/pytest) from 8.4.1 to 9.1.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.4.1...9.1.1)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 9.1.1
  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

@@ -2,7 +2,7 @@ huggingface-hub==0.34.3
 numpy==2.2.6
 pandas==2.3.1
 pyarrow==21.0.0
-pytest==8.4.1
+pytest==9.1.1
 torch==2.13.0
 # Training-time only (export_onnx.py) — the packaged app never installs
 # these; it runs the exported .onnx file through onnxruntime instead (see