Merge bitcoin/bitcoin#30765: refactor: Allow `CScript`'s `operator<<`… #36

Job	Run time
ASan + LSan + UBSan + integer, no depends, USDT	1h 16m 49s
Win64 native, VS 2022	1h 12m 24s
macOS 14 native, arm64, no depends, sqlite only, gui	26m 2s
test each commit	0s
	2h 55m 15s

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