Update google-cloud-nio to 0.127.21 #2273

Job	Run time
prepare-configs	1s
tag / tag-job	8s
sam-build-tag-publish-job	5m 9s
create-bee-workflow (dev)	10m 4s
report-to-sherlock / report-new-version	11s
report-to-sherlock / report-workflow / report-workflow-relations	4s
set-version-in-dev	0s
sam-smoke-test-job (dev, qa)	2m 15s
orch-swat-test-job (dev, qa)	8m 4s
sam-swat-test-job (dev, qa)	10m 7s
rawls-swat-test-job (dev, qa, workspaces, -n org.broadinstitute.dsde.test.api.BillingsTest -n org...	9m 7s
rawls-swat-test-job (dev, qa, workspacesAuthDomains, -n org.broadinstitute.dsde.test.api.AuthDoma...	10m 9s
rawls-swat-test-job (dev, qa, workflows, -n org.broadinstitute.dsde.test.api.MethodsTest)	11m 8s
destroy-bee-workflow (dev)	4m 3s
	1h 10m 30s

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