(chore) [receiver/httpcheck] Fix README #51956

Job	Run time
setup-environment	3m 0s
arm-unittest-matrix (processor-0)	3m 59s
arm-unittest-matrix (receiver-2)	9m 25s
arm-unittest-matrix (internal)	9m 33s
arm-unittest-matrix (exporter-2)	4m 34s
arm-unittest-matrix (exporter-1)	9m 26s
arm-unittest-matrix (exporter-0)	3m 16s
arm-unittest-matrix (extension)	6m 27s
arm-unittest-matrix (receiver-3)	6m 14s
arm-unittest-matrix (receiver-0)	6m 54s
arm-unittest-matrix (processor-1)	6m 23s
arm-unittest-matrix (receiver-1)	7m 2s
arm-unittest-matrix (connector)	4m 34s
arm-unittest-matrix (other)	5m 5s
arm-unittest-matrix (exporter-3)	5m 17s
arm-unittest-matrix (pkg)	5m 18s
arm-unittest-matrix (cmd-0)	2m 53s
arm-unittest	4s
flakytests-generate-issues	-1s
	1h 39m 23s

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