[exporterhelper] Introduce batching functionality #20086

Job	Run time
contrib-tests-matrix (receiver-0)	4m 57s
contrib-tests-matrix (receiver-1)	6m 37s
contrib-tests-matrix (receiver-2)	8m 25s
contrib-tests-matrix (receiver-3)	6m 29s
contrib-tests-matrix (processor)	4m 17s
contrib-tests-matrix (exporter-0)	8m 30s
contrib-tests-matrix (exporter-1)	7m 28s
contrib-tests-matrix (extension)	5m 17s
contrib-tests-matrix (connector)	3m 20s
contrib-tests-matrix (internal)	5m 9s
contrib-tests-matrix (pkg)	2m 49s
contrib-tests-matrix (cmd-0)	6m 59s
contrib-tests-matrix (cmd-1)	3m 48s
contrib-tests-matrix (other)	8m 20s
contrib_tests	1s
	1h 22m 26s

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