Google-vizier

What's Changed
* Add immutabledict import by copybara-service in https://github.com/google/vizier/pull/478
* Remove pointless ensure-compile-time decorator. by copybara-service in https://github.com/google/vizier/pull/486
* Change how Cholesky factors are cached when computing the posterior predictive to accommodate an upcoming change to Jax. by copybara-service in https://github.com/google/vizier/pull/498
* Update RTD Colab following a change to StochasticProcessModel.predict. by copybara-service in https://github.com/google/vizier/pull/507
* More media by copybara-service in https://github.com/google/vizier/pull/509
* Add a test for a Stochastic Process Model that builds a multitask GP. by copybara-service in https://github.com/google/vizier/pull/503
* Correct usage example for completing infeasible trials. by copybara-service in https://github.com/google/vizier/pull/513
* More media + reorganizing by importance by copybara-service in https://github.com/google/vizier/pull/518
* Clarify docstring for pyvizier.Namespace class. by copybara-service in https://github.com/google/vizier/pull/524
* Internal Change. by copybara-service in https://github.com/google/vizier/pull/530


**Full Changelog**: https://github.com/google/vizier/compare/v0.1.1...v0.1.2

What's Changed
* Use batch_size=1 since we're now using VizierGPBandit by copybara-service in https://github.com/google/vizier/pull/470
* Update to 0.1.1 by copybara-service in https://github.com/google/vizier/pull/473
* Intensify `performance_test` while removing redundant `vizier_server_test` by copybara-service in https://github.com/google/vizier/pull/474
* Add "getting started" code snippet to README. by copybara-service in https://github.com/google/vizier/pull/475


**Full Changelog**: https://github.com/google/vizier/compare/v0.1.0...v0.1.1

Official Release for AI Blog post.

Improved PyGlove integration

Fewer dependencies needed for installation.