[tune](deps): Bump ax-platform from 0.1.20 to 0.2.0 in /python/requirements/tune

[dependabot[bot]]

Bumps ax-platform from 0.1.20 to 0.2.0.

Release notes

Sourced from ax-platform's releases.

v0.2.0 Release

What’s new?

1. Modular BotAx + tutorial: new flexible setup for combining BoTorch subcomponents into a Model in Ax,
2. Scheduler + tutorial: new standalone configurable manager abstraction to run asynchronous closed-loop experiments with Ax (with or without human-in-the-loop),
3. GenerationStrategy tutorial: walkthrough for optimization algorithms specification in in Ax,
4. Bayesian optimization with categorical kernels exposed in Ax and auto-selected in Service and Loop APIs (via choose_generation_strategy). This eliminates the need to opt for Sobol quasi-random search when a given search space contains predominantly choice (a.k.a. categorical or discrete) parameters,
5. Scalarized outcome constraint support (feature request: facebook/Ax#472),
6. Extended exp_to_df utility to conveniently display an Ax Experiment as a dataframe of trials and arms.

Bugfixes

• Abandoned arms and trials exclusion from modeling data (facebook/Ax#506),
• Changing a range parameter to fixed (facebook/Ax#383).

Commits

• de18d48 pin latest botorch release before releasing Ax
• 752214a utility for plotting performance as a function of time
• ac9fbc8 make plotly versions of feature importance plots
• 5dbd88a remove unclaimed pip dependency
• 05d8b4b suppress errors in fbcode/ax - batch 1
• 0afd0fe Add docstring and remove catch-all kwargs from Trial.lookup_data
• fc78cb5 Block candidate generation on poor fit
• 13ebe1d Move repeated arm fix to add_generator_run
• 6bfe269 Make get_best_trial robust to missing objective value
• 17dc139 Move NEHVI to OSS (#611)
• Additional commits viewable in compare view

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[dependabot[bot]]

Superseded by #69.