Add benchmarking to DDB v2 mapper #3199

Job	Run time
check-s3-related-changes	1m 0s
s3-regression-tests-upload-async	3m 50s
s3-regression-tests-control-plane	3m 20s
s3-regression-tests-upload-sync	5m 52s
s3-regression-tests-upload-crt	5m 53s
s3-regression-tests-upload-multi	5m 23s
s3-regression-tests-download	5m 23s
	30m 41s

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