test against python 3.13, 3.14 #1027

Job	Run time
lint	9s
build	12s
integration-tests (integration-dind)	5m 8s
integration-tests (integration-dind-ssl)	5m 16s
unit-tests (3.9)	23s
unit-tests (3.11)	25s
unit-tests (3.13)	29s
unit-tests (3.12)	24s
unit-tests (3.14)	34s
integration-tests (integration-dind-ssh)	1m 34s
unit-tests (3.8)	26s
unit-tests (3.10)	28s
	15m 28s

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