Merge bitcoin/bitcoin#30765: refactor: Allow `CScript`'s `operator<<`… #317

Job	Run time
ASan + LSan + UBSan + integer, no depends, USDT	1h 15m 11s
macOS 14 native, arm64, no depends, sqlite only, gui	28m 7s
test each commit	0s
Win64 native, VS 2022	1h 12m 19s
	2h 55m 37s

Provide feedback