Release 0.8.3

A minor release with many small improvements and support for Python 3.10.

• Feature: Support for the new numpy random API (np.random.Generator); deprecate old np.random.RandomState for np 1.19+ (#779, thanks @jnphilipp)
• Feature: Add py.typed file for typecheckers like mypy (#849, thanks @neophnx)
• Feature: Validate sacred settings (#774)
• Feature: Update CLI options: Change run ID from command line (#798, thanks @jnphilipp)
• Feature: Log named configs and config updates (#823)
• Feature: Options to save sources and copy resources in FileStorageObserver (#806, thanks @patrick-kidger)
• Feature: Support for NVIDIA Multi-Instance GPU (#865, thanks @j3soon)
• Bugfix: Updated testcases to py3.6+; updated dependencies (e.g., tinydb 4+, pytest 6.2.1, pymongo 4.0) (#799, #819, #821, thanks a lot @jnphilipp)
• Bugfix: Fixes for handling symlinks (#791, thanks @MaxSchambach)
• Bugfix: Fix docker example (#829, thanks @ahallermed)
• Doc: Some fixes and update of the documentation (#778, #792, #793, #797, #804, #842, #856, thanks @daliasen @aaronsnoswell @schmitts @Blaizzy)