test against python 3.13, 3.14 #1019

Job	Run time
lint	12s
build	28s
integration-tests (integration-dind)	2m 12s
integration-tests (integration-dind-ssl)	1m 56s
integration-tests (integration-dind-ssh)	1m 40s
unit-tests (3.11)	20s
unit-tests (3.8)	26s
unit-tests (3.10)	25s
unit-tests (3.12)	40s
unit-tests (3.13)	33s
unit-tests (3.14)	40s
unit-tests (3.9)	28s
	10m 0s

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