Update automatic channel selection for CUDA versions (#472) #246

Job	Run time
check / Lint (3.12)	40s
check / Unit (3.8)	1m 30s
check / Unit (3.10)	1m 34s
check / Lint (3.8)	39s
check / Unit (3.12)	1m 30s
check / Lint (3.10)	40s
check / build charms (self-hosted, ppc64el)	26m 13s
check / build charms (ubuntu-24.04-arm)	17m 23s
check / build charms (self-hosted, linux, s390x)	20m 11s
check / build charms (ubuntu-24.04)	17m 14s
check / functional tests (ubuntu-24.04-arm, tox -e func -- -v --base [email protected] --keep-models, 3.6/stable)	10m 20s
check / functional tests (ubuntu-24.04, tox -e func -- -v --base [email protected] --keep-models, 3.6/stable)	10m 30s
check / functional tests (ubuntu-24.04, tox -e func -- -v --base [email protected] --keep-models, 3.6/stable)	10m 49s
check / functional tests (ubuntu-24.04-arm, tox -e func -- -v --base [email protected] --keep-models, 3.6/stable)	9m 45s
check / functional tests (ubuntu-24.04-arm, tox -e func -- -v --base [email protected] --keep-models, 3.6/stable)	9m 33s
check / functional tests (ubuntu-24.04, tox -e func -- -v --base [email protected] --keep-models, 3.6/stable)	9m 58s
check / tics-analysis	6m 59s
release	2m 0s
notify-on-release-failure	0s
	2h 37m 28s

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