Update versions of timestamp-task and timestamp-batch 3.0.x to 3.1.0 #66

Job	Run time
Call Build Workflow / restaurant-stream-apps-kitchen	52s
Call Build Workflow / restaurant-stream-apps-waitron	49s
Call Build Workflow / multi-io-http-purchase-orders	40s
Call Build Workflow / kafka-samples	22s
Call Build Workflow / multi-io-ticktock	1m 14s
Call Build Workflow / user-clicks-per-region-12x	1m 14s
Call Build Workflow / restaurant-stream-apps-customer	50s
Call Build Workflow / batch-dev-guides-batchsamples	1m 19s
Call Build Workflow / function-samples	1m 1s
Call Build Workflow / function-samples-uppercase-processor	40s
Call Build Workflow / stream-dev-guides-composed-http-transformer-kafka	48s
Call Build Workflow / stream-dev-guides-standalone-stream-kafka	1m 50s
Call Build Workflow / stream-dev-guides-standalone-stream-rabbitmq	1m 11s
Call Build Workflow / scenario-task	1m 13s
Call Build Workflow / scenario-task-3	1m 10s
Call Build Workflow / stream-dev-guides-composed-http-transformer-kotlin-kafka	54s
Call Build Workflow / stream-dev-guides-composed-http-transformer-kotlin-rabbitmq	44s
Call Build Workflow / stream-dev-guides-composed-http-transformer-rabbitmq	51s
Call Build Workflow / task-demo-metrics-prometheus	2m 37s
Call Build Workflow / timestamp-batch-30x	4m 27s
Call Build Workflow / timestamp-task-30x	4m 42s
Call Build Workflow / timestamp-batch-20x	54s
Call Build Workflow / timestamp-task-20x	49s
Call Build Workflow / completed	1s
	31m 12s

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