CI/CD

Simplify GH actions #428

Job	Run time
test_and_build (ubuntu-latest, 3.8)	1m 59s
test_and_build (ubuntu-latest, 3.9)	1m 55s
test_and_build (ubuntu-latest, 3.10)	1m 52s
test_and_build (ubuntu-latest, 3.11)	1m 55s
build_docs	0s
test_and_build (ubuntu-latest, 3.12)	1m 57s
test_and_build (ubuntu-latest, 3.13)	2m 9s
test_and_build (macos-latest, 3.8)	1m 35s
test_and_build (macos-latest, 3.9)	1m 49s
test_and_build (macos-latest, 3.10)	1m 18s
test_and_build (macos-latest, 3.11)	1m 26s
test_and_build (macos-latest, 3.12)	1m 15s
test_and_build (macos-latest, 3.13)	1m 21s
test_and_build (windows-latest, 3.8)	5m 34s
test_and_build (windows-latest, 3.9)	4m 3s
test_and_build (windows-latest, 3.10)	4m 16s
test_and_build (windows-latest, 3.11)	5m 31s
test_and_build (windows-latest, 3.12)	4m 25s
test_and_build (windows-latest, 3.13)	5m 16s
publish	0s
	49m 36s

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