Pyright users should be able to get all Pylance bundled stubs from a single place

[debonte]

Most of the stubs that Pylance bundles come from https://github.com/microsoft/python-type-stubs, but we also get stubs from https://github.com/pandas-dev/pandas-stubs and https://github.com/sbdchd/django-types.

It would be nice if Pyright CLI users who want their stubs to be in sync with Pylance could somehow get them from one place.

Related to #4085

[Avasam]

Related: microsoft/python-type-stubs#264 and microsoft/python-type-stubs#211