[chore] Add config schemas to gcp-related receivers #52247

Job	Run time
setup-environment	2m 51s
arm-unittest-matrix (processor-0)	3m 33s
arm-unittest-matrix (receiver-3)	5m 41s
arm-unittest-matrix (extension)	6m 26s
arm-unittest-matrix (processor-1)	4m 26s
arm-unittest-matrix (receiver-1)	7m 24s
arm-unittest-matrix (receiver-2)	9m 26s
arm-unittest-matrix (exporter-3)	5m 24s
arm-unittest-matrix (cmd-0)	3m 5s
arm-unittest-matrix (exporter-2)	3m 53s
arm-unittest-matrix (receiver-0)	7m 18s
arm-unittest-matrix (connector)	4m 24s
arm-unittest-matrix (exporter-0)	4m 21s
arm-unittest-matrix (exporter-1)	9m 53s
arm-unittest-matrix (internal)	9m 51s
arm-unittest-matrix (pkg)	5m 8s
arm-unittest-matrix (other)	5m 1s
arm-unittest	2s
flakytests-generate-issues	0s
	1h 38m 7s

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