Add JMX scraper version 1.51.0-alpha #44367

Job	Run time
setup-environment	1m 32s
arm-unittest-matrix (receiver-1)	8m 11s
arm-unittest-matrix (receiver-2)	9m 24s
arm-unittest-matrix (exporter-0)	3m 22s
arm-unittest-matrix (receiver-3)	5m 56s
arm-unittest-matrix (processor-1)	4m 38s
arm-unittest-matrix (receiver-0)	6m 0s
arm-unittest-matrix (processor-0)	3m 52s
arm-unittest-matrix (exporter-1)	9m 28s
arm-unittest-matrix (pkg)	6m 37s
arm-unittest-matrix (extension)	6m 56s
arm-unittest-matrix (connector)	4m 36s
arm-unittest-matrix (cmd-0)	3m 18s
arm-unittest-matrix (exporter-2)	3m 58s
arm-unittest-matrix (internal)	9m 21s
arm-unittest-matrix (exporter-3)	5m 31s
arm-unittest-matrix (other)	4m 38s
arm-unittest	2s
flakytests-generate-issues	0s
	1h 37m 20s

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