Log Message:
py-eth-typing: updated to 3.1.0

v3.1.0 (2022-06-22)

Features

Setup towncrier to generate release notes from fragment files to ensure a higher \ 
standard for release notes.
Add new BLSPrivateKey type for BLS private key
Add __all__ property to __init__.py with appropriate types to explicitly export
Add GrayGlacier to ForkName enum

v3.0.0 (2021-11-15)

Update ForkName enum to include Berlin, London, and ArrowGlacier
Update Python support to include python 3.8-3.10
Remove Python 3.5 support