This reverts commit 5fe7f2b28ffcd27a3e520be750858944889112ef.

updates:
- [github.com/PyCQA/flake8: 3.9.2 → 4.0.1](https://github.com/PyCQA/flake8/compare/3.9.2...4.0.1)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Co-authored-by: José Padilla <jpadilla@users.noreply.github.com>

* Use timezone package as Python 3.5+ is required

This method is deprecated:
https://docs.python.org/3/library/datetime.html#datetime.datetime.utcnow

Replaced with:
https://docs.python.org/3/library/datetime.html#datetime.datetime.utcnow
using:
https://docs.python.org/3/library/datetime.html#datetime.timezone.utc

which seems to indicate this was added in Python 3.2

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

* Fix Inline variables & Refactor Code Expression

* Fix Linting Issue

* Add support for Ed448/EdDSA.

* Add test for verification using EdDSA private key.

Cryptography has adopted a firefox-style versioning system where new
feature releases always have new major versions even if they don't have
backwards incompatible changes. This means that an upper bound on the
dependency does not make sense.

updates:
- [github.com/mgedmin/check-manifest: 0.46 → 0.47](https://github.com/mgedmin/check-manifest/compare/0.46...0.47)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>