[RFC] Add BOLT 12 payer proof primitives #23578

Job	Run time
benchmark	15m 2s
tor-connect	6m 46s
ext-test	5m 14s
rustfmt	16s
fuzz	1h 32m 35s
check_docs	13m 8s
check_release	3m 7s
build-workspace / build (self-hosted, 1.75.0)	18m 32s
build-cfg-flags / build (self-hosted, 1.75.0)	12m 55s
linting	2m 40s
build-nostd / build (self-hosted, 1.75.0)	15m 0s
build-features / build (self-hosted, 1.75.0)	44m 29s
build-bindings / build (self-hosted, 1.75.0)	20m 34s
build-sync / build (self-hosted, 1.75.0)	20m 21s
fuzz_sanity	11m 13s
coverage	1h 2m 4s
notify-failure	0s
	5h 43m 56s

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