Tests

[MNT] extend CI to newer python versions, deprecate python versions 3.8, 3.9 after EOL, marking further failing tests as `xfail` #1624

Job	Run time
(ubuntu-latest, Py3.8, sk0.23.1, sk-only:false)	3s
docker	4s
(windows-latest, Py, sk0.24.*, sk-only:false)	2s
(ubuntu-latest, Py3.10, sk1.5.*, sk-only:true)	13m 49s
(ubuntu-latest, Py3.11, sk1.5.*, sk-only:true)	14m 18s
(ubuntu-latest, Py3.12, sk1.4.*, sk-only:true)	14m 7s
(ubuntu-latest, Py3.12, sk1.3.*, sk-only:true)	12m 5s
(ubuntu-latest, Py3.11, sk1.4.*, sk-only:true)	14m 15s
(ubuntu-latest, Py3.11, sk1.6.*, sk-only:true)	11m 58s
(ubuntu-latest, Py3.13, sk1.7.*, sk-only:true)	14m 7s
(ubuntu-latest, Py3.10, sk1.7.*, sk-only:true)	11m 37s
(ubuntu-latest, Py3.11, sk1.3.*, sk-only:true)	10m 43s
(ubuntu-latest, Py3.10, sk1.6.*, sk-only:true)	12m 1s
(ubuntu-latest, Py3.13, sk1.6.*, sk-only:true)	14m 7s
(ubuntu-latest, Py3.11, sk1.7.*, sk-only:true)	14m 4s
(ubuntu-latest, Py3.12, sk1.5.*, sk-only:true)	11m 42s
(ubuntu-latest, Py3.10, sk1.3.*, sk-only:true)	12m 1s
(ubuntu-latest, Py3.10, sk1.4.*, sk-only:true)	10m 47s
(ubuntu-latest, Py3.12, sk1.5.*, sk-only:false)	17m 42s
(ubuntu-latest, Py3.12, sk1.6.*, sk-only:true)	12m 4s
(windows-latest, Py3.12, sk1.5.*, sk-only:false)	29m 10s
(ubuntu-latest, Py3.13, sk1.5.*, sk-only:true)	12m 18s
(ubuntu-latest, Py3.12, sk1.7.*, sk-only:true)	11m 4s
	4h 34m 8s

Provide feedback