Tests

[MNT] extend CI to newer python versions, deprecate python versions 3.8, 3.9 after EOL, marking further failing tests as `xfail` #1634

Job	Run time
(ubuntu-latest, Py3.8, sk0.23.1, sk-only:false)	3s
docker	3s
(windows-latest, Py, sk0.24.*, sk-only:false)	2s
(ubuntu-latest, Py3.10, sk1.7.*, sk-only:true)	3m 35s
(ubuntu-latest, Py3.10, sk1.5.*, sk-only:true)	3m 30s
(ubuntu-latest, Py3.11, sk1.4.*, sk-only:true)	3m 12s
(ubuntu-latest, Py3.11, sk1.3.*, sk-only:true)	3m 40s
(ubuntu-latest, Py3.10, sk1.6.*, sk-only:true)	3m 33s
(ubuntu-latest, Py3.13, sk1.6.*, sk-only:true)	3m 33s
(ubuntu-latest, Py3.10, sk1.4.*, sk-only:true)	3m 29s
(ubuntu-latest, Py3.12, sk1.7.*, sk-only:true)	3m 41s
(ubuntu-latest, Py3.13, sk1.5.*, sk-only:true)	3m 38s
(ubuntu-latest, Py3.12, sk1.5.*, sk-only:false)	6m 14s
(ubuntu-latest, Py3.11, sk1.6.*, sk-only:true)	3m 21s
(ubuntu-latest, Py3.12, sk1.5.*, sk-only:true)	3m 41s
(ubuntu-latest, Py3.12, sk1.6.*, sk-only:true)	3m 35s
(ubuntu-latest, Py3.10, sk1.3.*, sk-only:true)	3m 36s
(ubuntu-latest, Py3.12, sk1.4.*, sk-only:true)	3m 39s
(windows-latest, Py3.12, sk1.5.*, sk-only:false)	16m 21s
(ubuntu-latest, Py3.12, sk1.3.*, sk-only:true)	3m 31s
(ubuntu-latest, Py3.11, sk1.5.*, sk-only:true)	3m 43s
(ubuntu-latest, Py3.11, sk1.7.*, sk-only:true)	2m 55s
(ubuntu-latest, Py3.13, sk1.7.*, sk-only:true)	3m 33s
	1h 26m 8s

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