feat: improve diff logging #4802

Job	Run time
check_format_and_unit_tests	1m 25s
special_integration_tests (17)	1m 48s
special_integration_tests (21)	1m 53s
httpclient-tests (jdk) / integration_tests	21m 45s
httpclient-tests (jetty) / integration_tests	22m 21s
httpclient-tests (vertx) / integration_tests	21m 45s
integration_tests (17, 1.30.3) / integration_tests	21m 44s
integration_tests (17, 1.31.0) / integration_tests	22m 19s
integration_tests (17, v1.28.12) / integration_tests	21m 42s
integration_tests (17, v1.29.7) / integration_tests	21m 29s
integration_tests (21, 1.30.3) / integration_tests	21m 49s
integration_tests (21, 1.31.0) / integration_tests	22m 29s
integration_tests (21, v1.28.12) / integration_tests	22m 4s
integration_tests (21, v1.29.7) / integration_tests	21m 13s
	4h 5m 46s

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