Added `NonZero` #16957

Job	Run time
gen-hie	5m 58s
cabal-format	5s
Check branch history	11s
build (8.10.7, ubuntu-latest)	13m 24s
build (9.2.8, ubuntu-latest)	13m 7s
fourmolu	46s
Check if formal-ledger-specifications SRP is valid	13s
build (9.6.6, ubuntu-latest)	13m 5s
build (9.8.4, ubuntu-latest)	12m 39s
build (9.10.1, ubuntu-latest)	13m 25s
${{ matrix.package }}-${{ matrix.ghc }}-${{ matrix.os }}	1s
Tests completed	1s
Send a slack notification on \#ledger-internal if the nightly build failed	1s
	1h 12m 56s

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