chore: fabric8 client to v7.3 #5208

Job	Run time
check_format_and_unit_tests	1m 16s
build / Special integration tests (17)	1m 56s
build / Special integration tests (21)	1m 47s
build / Special integration tests (24)	1m 44s
build / httpclient-tests (jdk) / Integration tests (24, 1.32.0, jdk)	24m 0s
build / integration_tests (24, 1.33.0) / Integration tests (24, 1.33.0, vertx)	23m 38s
build / httpclient-tests (jetty) / Integration tests (24, 1.32.0, jetty)	22m 45s
build / httpclient-tests (vertx) / Integration tests (24, 1.32.0, vertx)	23m 11s
build / integration_tests (17, 1.31.8) / Integration tests (17, 1.31.8, vertx)	23m 10s
build / integration_tests (17, 1.32.4) / Integration tests (17, 1.32.4, vertx)	23m 10s
build / integration_tests (21, 1.30.12) / Integration tests (21, 1.30.12, vertx)	22m 27s
build / integration_tests (17, 1.30.12) / Integration tests (17, 1.30.12, vertx)	21m 30s
build / integration_tests (21, 1.33.0) / Integration tests (21, 1.33.0, vertx)	23m 29s
build / integration_tests (21, 1.31.8) / Integration tests (21, 1.31.8, vertx)	23m 36s
build / integration_tests (21, 1.32.4) / Integration tests (21, 1.32.4, vertx)	24m 9s
build / integration_tests (17, 1.33.0) / Integration tests (17, 1.33.0, vertx)	23m 8s
build / integration_tests (24, 1.30.12) / Integration tests (24, 1.30.12, vertx)	21m 53s
build / integration_tests (24, 1.31.8) / Integration tests (24, 1.31.8, vertx)	23m 7s
build / integration_tests (24, 1.32.4) / Integration tests (24, 1.32.4, vertx)	22m 46s
	5h 52m 42s

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