option to keep only end-node results when executing a graph

6 jobs for !72 with 17-ewoks-task-keeps-dataset-in-memory in 41 seconds (queued for 5 seconds)
detached
Status Name Job ID Coverage
  Style
passed black #281353

00:00:11

passed flake8 #281352

00:00:10

 
  Test
passed test-3.6 #281354

00:00:25

78.0%
passed test-3.7 #281355

00:00:27

78.0%
passed test-3.8 #281356

00:00:28

79.0%
passed test-3.9 #281357

00:00:27

79.0%