add the bolt12 invoice to the PaymentSend event #272

Job	Run time
check_commits	5m 12s
benchmark	18m 54s
build-tx-sync (ubuntu-latest, stable)	4m 28s
build (ubuntu-latest, stable)	1h 6m 44s
build-tx-sync (ubuntu-latest, beta)	4m 26s
check_release	2m 2s
build (ubuntu-latest, beta)	1h 5m 23s
coverage	8m 9s
build-tx-sync (ubuntu-latest, 1.75.0)	4m 42s
build (ubuntu-latest, 1.63.0)	4m 57s
build-tx-sync (macos-latest, stable)	5m 18s
build (windows-latest, stable)	1h 57m 6s
build-tx-sync (macos-latest, beta)	4m 52s
fuzz	3h 19m 28s
incremental-mutants	50m 25s
build (windows-latest, beta)	2h 1m 6s
build-tx-sync (macos-latest, 1.75.0)	5m 44s
build (macos-latest, stable)	1h 8m 23s
linting	58s
build (macos-latest, beta)	1h 9m 7s
rustfmt	13s
build (macos-latest, 1.63.0)	4m 49s
	13h 52m 26s

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