https://www.python.org/doc/newstyle/

> New-style classes has been integrated into Python 2.7 and old-style classes has been removed in Python 3.

This should let me see the workflow run in my work on my fork.

- Still specify the exact python 3.13 as it is not yet released.
  - Updated to release candidate 1. 3.13 release is expected in October 2024.
- Also fix the more information link. The old one one is dead.

Squash in preparation for rebasing

This should let me see the workflow run in my work on my fork.

build.yml: Used checkout v4

build.yml: Do not specify the patch level of python versions.

- Still specify the exact python 3.13 as it is not yet released.
  - Updated to release candidate 1. 3.13 release is expected in October 2024.
- Also fix the more information link. The old one one is dead.

shapefile.py: Minor cleanup of module comment and order includes.

shapefile.py: Drop inheriting from object.

https://www.python.org/doc/newstyle/

> New-style classes has been integrated into Python 2.7 and old-style classes has been removed in Python 3.

Drop python 2 and make python 3.8 be the minimum.

Python 3.7 is end-of-life:

https://devguide.python.org/versions/