Log Message:
py-iso8601: update to 2.0.0.

[2.0.0] - 2023-06-09

added

    Add just for development commands
    Add Python 3.12 support

changed

    Move changelog into CHANGELOG.md
    Freshen up README

fixed

    Fix test_fixedoffset_eq by adding an actual assertion

removed

    Drop Python 3.6 support (3.6 is end of life)