Changed the type of Tx size to Word32 #19636

Job	Run time
shellcheck	5s
build (9.6.7, ubuntu-latest)	7m 4s
Check that there are no additions of `undefined`s in the PR diff	11s
Check branch history	13s
cabal-format	5s
fourmolu	41s
build (9.12.2, ubuntu-latest)	8m 8s
gen-hie	7m 10s
build (9.10.2, ubuntu-latest)	12m 21s
build (9.8.4, ubuntu-latest)	11m 54s
Check if formal-ledger-specifications SRP is valid	23s
${{ matrix.package }}-${{ matrix.ghc }}-${{ matrix.os }}	-1s
Tests completed	3s
codegen	-1s
Send a slack notification on \#ledger-internal if the nightly build failed	-1s
	48m 15s

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