drop python<=3.7 support

[kloczek]

According to https://endoflife.date/python python 3.7 has been EOSed almost year ago.
Filter all the code over pyupgrade --py38-plus.

• Tests written and passed
• Documentation and changelog entry written, docs build passed
• All tox checks passed

[felix-hilden]

Thank you! Please do include a changelog entry under an "unreleased" header, but the change itself looks good 👍

[felix-hilden]

Oh, and removing 7 from the github build matrix (and adding 12) would be nice too!

[kloczek]

Thank you! Please do include a changelog entry under an "unreleased" header

Hmm .. I do not understand what exactly you want me to add 😋

[felix-hilden]

In docs/src/release_notes.rst, let's add a new section called "Unreleased", under which we should note that python 3.7 support was dropped (and 12 is now official). An example here from the previous bump.

[felix-hilden]

Suggested change

	python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
	python-version: ["3.8", "3.9", "3.10", "3.11"]

[felix-hilden]

Ah right, let's rather have the 12 be the default "full build" version below 🙏

[LecrisUT]

What about min version and 3.x for simpler maintenance?

[felix-hilden]

Oh that would be very nice, I haven't hear of that!

[LecrisUT]

What about other checks like:

sphinx-codeautolink/src/sphinx_codeautolink/parse.py

Line 15 in 6747259

HAS_WALRUS = sys.version_info >= (3, 8)

[LecrisUT]

What about min version and 3.x for simpler maintenance?

[felix-hilden]

As this got stale, I implemented this and a bit more in #151. I'll close this one, but thanks for getting the ball rolling!