feat(pointcloud): Add HDBSCAN to point cloud (#57)

* Restore umap_demo deleted

* Add HDBSCAN clustering

* Fix style

* Fix json int bug

* Update src/phoenix/pcloud/pcloud.py

Co-authored-by: Mikyo King <mikyo@arize.com>

* Update src/phoenix/pcloud/projectors.py

Co-authored-by: Mikyo King <mikyo@arize.com>

* Delete _fit_transform method

* Restore umap_demo deleted

* Add HDBSCAN clustering

* Fix style

* Fix json int bug

* Delete _fit_transform method

* Update src/phoenix/pcloud/pcloud.py

Co-authored-by: Mikyo King <mikyo@arize.com>

* Update src/phoenix/pcloud/projectors.py

Co-authored-by: Mikyo King <mikyo@arize.com>

* fix types:

* more fixes

* black

* Add .coverage to gitignore

* Add tables dependency toml file

* wip

* Use pull_request_target, better for forked repos

* Add PR lint action

* Not use pull_request_target

* Add edited trigger

* Ignore type hints from umap and hdbscan

* Rename module pcloud -> pointcloud

* Ignore E203 flake8

* HDBSCAN finished

* wip

* Define and use Coordinates classes

* Parametrize HDBSCAN hyperparams

* Rename to DriftPointCloud

* Update .github/workflows/pull-requests.yaml

Co-authored-by: Mikyo King <mikyo@arize.com>

Co-authored-by: Mikyo King <mikyo@arize.com>