pip(deps): bump ax-platform from 0.2.0 to 0.2.1 (#90)

Bumps [ax-platform](https://github.com/facebook/Ax) from 0.2.0 to 0.2.1.
- [Release notes](https://github.com/facebook/Ax/releases)
- [Changelog](https://github.com/facebook/Ax/blob/main/CHANGELOG.md)
- [Commits](facebook/Ax@0.2.0...0.2.1)

---
updated-dependencies:
- dependency-name: ax-platform
  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>

requirements/TUNE_REQUIREMENTS.txt

@@ -2,4 +2,4 @@ mypy_extensions==0.4.3; python_version < '3.8'
 optuna==2.9.1
 torchvision==0.9.1
 torch==1.8.1
-ax-platform==0.2.0; python_version >= '3.7'
+ax-platform==0.2.1; python_version >= '3.7'