Structured Logs: Collect `stdout/stderr` per default #15391

Job	Run time
Detect File Changes	6s
Test SwiftUI V4 / UI Tests Common	12m 25s
Test iOS Swift6 V3 / UI Tests Common	13m 23s
Test tvOS Swift V3 / UI Tests Common	6m 50s
Test iOS Objective-C V3 / UI Tests Common	8m 39s
Test Swift iOS 18 V5 / UI Tests Common	40m 33s
Test Swift iOS 16 V5 / UI Tests Common	40m 30s
Test Swift iOS 26 V5 / UI Tests Common	40m 35s
Test Swift iOS 17 V5 / UI Tests Common	40m 25s
UI Tests	3s
	3h 23m 29s

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