Put a 10_000vByte cap on `HolderHTLCOutput` 0FC package templates #20504

Job	Run time
benchmark	1m 13s
build (self-hosted, beta)	1m 15s
build (macos-latest, stable)	1m 17s
build (windows-latest, stable)	1m 13s
ext-test	1m 15s
build (self-hosted, 1.63.0)	1m 15s
build (self-hosted, stable)	1m 15s
coverage	1m 15s
check_release	1m 14s
build (macos-latest, 1.63.0)	1s
build-tx-sync (ubuntu-latest, stable)	1m 15s
build-tx-sync (ubuntu-latest, beta)	1m 14s
build-tx-sync (ubuntu-latest, 1.75.0)	41s
linting	1m 5s
build-tx-sync (macos-latest, 1.75.0)	1m 1s
build-tx-sync (macos-latest, stable)	1m 16s
rustfmt	15s
build-tx-sync (macos-latest, beta)	1m 16s
fuzz	1m 15s
	20m 31s

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