chore: Use fabric8 client v7.5.0 #5964

Job	Run time
check_format_and_unit_tests	2m 2s
build / Special integration tests (17)	2m 12s
build / Special integration tests (21)	2m 15s
build / Special integration tests (25)	2m 11s
build / httpclient-tests (jetty) / Integration tests (25, 1.32.0, jetty)	26m 57s
build / httpclient-tests (vertx) / Integration tests (25, 1.32.0, vertx)	26m 21s
build / httpclient-tests (jdk) / Integration tests (25, 1.32.0, jdk)	26m 28s
build / integration_tests (17, 1.31.8) / Integration tests (17, 1.31.8, vertx)	26m 35s
build / integration_tests (25, 1.33.1) / Integration tests (25, 1.33.1, vertx)	26m 12s
build / integration_tests (21, 1.33.1) / Integration tests (21, 1.33.1, vertx)	27m 5s
build / integration_tests (17, 1.30.12) / Integration tests (17, 1.30.12, vertx)	24m 57s
build / integration_tests (21, 1.31.8) / Integration tests (21, 1.31.8, vertx)	26m 39s
build / integration_tests (25, 1.32.4) / Integration tests (25, 1.32.4, vertx)	26m 30s
build / integration_tests (17, 1.33.1) / Integration tests (17, 1.33.1, vertx)	26m 56s
build / integration_tests (21, 1.30.12) / Integration tests (21, 1.30.12, vertx)	25m 4s
build / integration_tests (21, 1.32.4) / Integration tests (21, 1.32.4, vertx)	26m 26s
build / integration_tests (17, 1.32.4) / Integration tests (17, 1.32.4, vertx)	26m 27s
build / integration_tests (25, 1.30.12) / Integration tests (25, 1.30.12, vertx)	25m 6s
build / integration_tests (25, 1.31.8) / Integration tests (25, 1.31.8, vertx)	25m 32s
	6h 41m 55s

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