chore(deps): update to Fabric8 client 7.4.0 #5482

Job	Run time
check_format_and_unit_tests	1m 39s
build / Special integration tests (24)	1m 50s
build / Special integration tests (21)	1m 58s
build / Special integration tests (17)	1m 50s
build / httpclient-tests (vertx) / Integration tests (24, 1.32.0, vertx)	23m 51s
build / httpclient-tests (jdk) / Integration tests (24, 1.32.0, jdk)	23m 31s
build / integration_tests (21, 1.32.4) / Integration tests (21, 1.32.4, vertx)	23m 26s
build / integration_tests (24, 1.30.12) / Integration tests (24, 1.30.12, vertx)	22m 48s
build / integration_tests (21, 1.30.12) / Integration tests (21, 1.30.12, vertx)	22m 35s
build / integration_tests (21, 1.31.8) / Integration tests (21, 1.31.8, vertx)	24m 5s
build / integration_tests (21, 1.33.1) / Integration tests (21, 1.33.1, vertx)	24m 5s
build / httpclient-tests (jetty) / Integration tests (24, 1.32.0, jetty)	23m 13s
build / integration_tests (24, 1.31.8) / Integration tests (24, 1.31.8, vertx)	24m 22s
build / integration_tests (24, 1.32.4) / Integration tests (24, 1.32.4, vertx)	23m 19s
build / integration_tests (17, 1.30.12) / Integration tests (17, 1.30.12, vertx)	22m 43s
build / integration_tests (17, 1.32.4) / Integration tests (17, 1.32.4, vertx)	23m 5s
build / integration_tests (17, 1.31.8) / Integration tests (17, 1.31.8, vertx)	24m 54s
build / integration_tests (17, 1.33.1) / Integration tests (17, 1.33.1, vertx)	24m 25s
build / integration_tests (24, 1.33.1) / Integration tests (24, 1.33.1, vertx)	24m 16s
	6h 1m 55s

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