ci: maintenance and adding 3.13 tests #775

Job	Run time
Test a fork PR (no secrets)	0s
Build Docs	1m 23s
Test Posit Connect	5m 18s
Tests (3.8, ubuntu-latest, --workers 4 --tests-per-worker 1)	2m 56s
Tests (3.9, ubuntu-latest, --workers 4 --tests-per-worker 1)	1m 28s
Tests (3.10, ubuntu-latest, --workers 4 --tests-per-worker 1)	2m 42s
Tests (3.11, ubuntu-latest, --workers 4 --tests-per-worker 1)	2m 52s
Tests (3.12, ubuntu-latest, --workers 4 --tests-per-worker 1)	2m 47s
Tests (3.13, ubuntu-latest, --workers 4 --tests-per-worker 1)	3m 9s
Tests (ubuntu-latest, 3.8, requirements/minimum.txt)	4m 41s
Tests (macos-latest, 3.10, --workers 4 --tests-per-worker 1 -k pins/tests)	2m 37s
Tests (windows-latest, 3.10, -k pins/tests)	18m 25s
Preview Docs:	6s
Release to pypi	0s
Publish Docs	0s
	48m 24s

Provide feedback