Drop `packaging` dependency #758

Job	Run time
lint	8s
integration-tests (integration-dind)	5m 53s
unit-tests (3.8)	17s
integration-tests (integration-dind-ssl)	5m 54s
unit-tests (3.9)	20s
integration-tests (integration-dind-ssh)	1m 44s
unit-tests (3.10)	24s
unit-tests (3.11)	17s
unit-tests (3.12)	20s
	15m 17s

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