Bayesian-optimization

fixes the issues described in 257, 258, 385

- some bug fixes for contraints models
- update code to explicitly handle duplicate points
- update the `maximize` method for a more consistent approach in setting gp params and acquisition functions.

Reverted to previews Queue implementation to allow users to pickle BayesianOptimization object

First update after many years. Among many new features detailed below, will now work with scipy > 1.8

What's Changed
* Added option to keep using an older log (Save -> Load -> Save) by alonfnt in https://github.com/fmfn/BayesianOptimization/pull/230
* Added docstrings to the `main` functions. by alonfnt in https://github.com/fmfn/BayesianOptimization/pull/238
* Check bounds_transformation is correct type by alonfnt in https://github.com/fmfn/BayesianOptimization/pull/240
* Add virtual environments folders to gitignore by alonfnt in https://github.com/fmfn/BayesianOptimization/pull/251
* Add license classifier to setup.py by dotcs in https://github.com/fmfn/BayesianOptimization/pull/253
* Fixes the error caused by scipy 1.8 minimize results changing. by samFarrellDay in https://github.com/fmfn/BayesianOptimization/pull/303
* Update test badge by bwheelz36 in https://github.com/fmfn/BayesianOptimization/pull/322
* switch to github actions for CI by bwheelz36 in https://github.com/fmfn/BayesianOptimization/pull/323
* Fix typo, Update util.py by zhaofeng-shu33 in https://github.com/fmfn/BayesianOptimization/pull/293
* docs: fix simple typo, provieded -> provided by timgates42 in https://github.com/fmfn/BayesianOptimization/pull/267
* 2 typo fixes in advanced-tour.ipynb by parkjin-nim in https://github.com/fmfn/BayesianOptimization/pull/272
* Update some of the SequentialDomain transformer by osullivryan in https://github.com/fmfn/BayesianOptimization/pull/332
* print both digits of the exponent in scientific notation form for flo… by citrusvanilla in https://github.com/fmfn/BayesianOptimization/pull/282
* Create feature_request.md by bwheelz36 in https://github.com/fmfn/BayesianOptimization/pull/345
* Revert "Create feature_request.md" by bwheelz36 in https://github.com/fmfn/BayesianOptimization/pull/346
* Queue by alonfnt in https://github.com/fmfn/BayesianOptimization/pull/239
* Add issue templates by till-m in https://github.com/fmfn/BayesianOptimization/pull/348
* changed the way x_try is sent to minimize - fixes 350 by bwheelz36 in https://github.com/fmfn/BayesianOptimization/pull/351
* Advanced constrained optimization by till-m in https://github.com/fmfn/BayesianOptimization/pull/344
* Fix JSONLogger with constraints by till-m in https://github.com/fmfn/BayesianOptimization/pull/364
* update version and setup.py by bwheelz36 in https://github.com/fmfn/BayesianOptimization/pull/367

New Contributors
* alonfnt made their first contribution in https://github.com/fmfn/BayesianOptimization/pull/230
* dotcs made their first contribution in https://github.com/fmfn/BayesianOptimization/pull/253
* samFarrellDay made their first contribution in https://github.com/fmfn/BayesianOptimization/pull/303
* bwheelz36 made their first contribution in https://github.com/fmfn/BayesianOptimization/pull/322
* zhaofeng-shu33 made their first contribution in https://github.com/fmfn/BayesianOptimization/pull/293
* timgates42 made their first contribution in https://github.com/fmfn/BayesianOptimization/pull/267
* parkjin-nim made their first contribution in https://github.com/fmfn/BayesianOptimization/pull/272
* citrusvanilla made their first contribution in https://github.com/fmfn/BayesianOptimization/pull/282
* till-m made their first contribution in https://github.com/fmfn/BayesianOptimization/pull/348

**Full Changelog**: https://github.com/fmfn/BayesianOptimization/compare/1.2.0...v1.3.0

Two new features are included in this release:
1. [Kappa decay](https://github.com/fmfn/BayesianOptimization/pull/224): Allows for dynamical changing the balance between exploration and exploitation during the optimization process (when using UCB).
2. [Sequential domain reduction](https://github.com/fmfn/BayesianOptimization/pull/226): Ability to zoom-in promising regions in the search space for faster convergence.

This release is brought to you by:
1. [ben-arnao](https://github.com/ben-arnao)
2. [osullivryan](https://github.com/osullivryan)

Latest release included changes to `Events.OPTIMIZATION_STEP` that were worthy of a minor version bump.