Tests

[MNT] extend CI to newer python versions, deprecate python versions 3.8, 3.9 after EOL, marking further failing tests as `xfail` #1628

Job	Run time
docker	3s
(windows-latest, Py, sk0.24.*, sk-only:false)	3s
(ubuntu-latest, Py3.8, sk0.23.1, sk-only:false)	3s
(ubuntu-latest, Py3.10, sk1.6.*, sk-only:true)	13m 23s
(ubuntu-latest, Py3.10, sk1.5.*, sk-only:true)	13m 22s
(ubuntu-latest, Py3.11, sk1.5.*, sk-only:true)	13m 21s
(ubuntu-latest, Py3.10, sk1.4.*, sk-only:true)	13m 32s
(ubuntu-latest, Py3.11, sk1.6.*, sk-only:true)	13m 8s
(ubuntu-latest, Py3.12, sk1.4.*, sk-only:true)	13m 26s
(ubuntu-latest, Py3.11, sk1.4.*, sk-only:true)	13m 21s
(ubuntu-latest, Py3.10, sk1.3.*, sk-only:true)	13m 18s
(ubuntu-latest, Py3.11, sk1.7.*, sk-only:true)	13m 30s
(ubuntu-latest, Py3.12, sk1.7.*, sk-only:true)	13m 38s
(windows-latest, Py3.12, sk1.5.*, sk-only:false)	18m 34s
(ubuntu-latest, Py3.13, sk1.7.*, sk-only:true)	13m 21s
(ubuntu-latest, Py3.12, sk1.6.*, sk-only:true)	13m 34s
(ubuntu-latest, Py3.13, sk1.6.*, sk-only:true)	13m 10s
(ubuntu-latest, Py3.12, sk1.5.*, sk-only:true)	13m 20s
(ubuntu-latest, Py3.12, sk1.3.*, sk-only:true)	13m 28s
(ubuntu-latest, Py3.12, sk1.5.*, sk-only:false)	17m 0s
(ubuntu-latest, Py3.13, sk1.5.*, sk-only:true)	13m 30s
(ubuntu-latest, Py3.10, sk1.7.*, sk-only:true)	13m 24s
(ubuntu-latest, Py3.11, sk1.3.*, sk-only:true)	13m 21s
	4h 36m 50s

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