[chore][grafanacloudconnector] Add stability level per metric #42267

Job	Run time
setup-environment	1m 14s
arm-unittest-matrix (processor-1)	5m 16s
arm-unittest-matrix (receiver-1)	7m 24s
arm-unittest-matrix (receiver-0)	6m 5s
arm-unittest-matrix (receiver-2)	8m 59s
arm-unittest-matrix (exporter-1)	9m 48s
arm-unittest-matrix (exporter-2)	4m 15s
arm-unittest-matrix (exporter-0)	4m 8s
arm-unittest-matrix (processor-0)	3m 25s
arm-unittest-matrix (internal)	7m 11s
arm-unittest-matrix (cmd-0)	2m 33s
arm-unittest-matrix (receiver-3)	7m 6s
arm-unittest-matrix (extension)	6m 39s
arm-unittest-matrix (other)	5m 9s
arm-unittest-matrix (pkg)	5m 6s
arm-unittest-matrix (connector)	5m 3s
arm-unittest-matrix (exporter-3)	6m 25s
arm-unittest	4s
flakytests-generate-issues	-1s
	1h 35m 49s

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