test against python 3.13, 3.14 #1020

Job	Run time
lint	12s
integration-tests (integration-dind)	2m 11s
integration-tests (integration-dind-ssh)	1m 44s
unit-tests (3.13)	32s
integration-tests (integration-dind-ssl)	1m 57s
unit-tests (3.8)	27s
unit-tests (3.12)	26s
unit-tests (3.11)	23s
unit-tests (3.14)	35s
unit-tests (3.9)	29s
build	18s
unit-tests (3.10)	36s
	9m 50s

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