chore(consensus): Replace magic numbers for tx type with constants #5742

Job	Run time
wasm-unknown	2m 46s
wasm-wasi	3m 49s
check no_std	55s
clippy	1m 28s
docs	1m 58s
doctest	2m 52s
feature-checks	8m 48s
test ubuntu-latest stable --no-default-features	2m 33s
fmt	13s
test ubuntu-latest stable	2m 28s
test ubuntu-latest stable --all-features	3m 21s
test ubuntu-latest nightly --no-default-features	2m 36s
test ubuntu-latest nightly	2m 27s
test ubuntu-latest nightly --all-features	2m 56s
test ubuntu-latest 1.81 --no-default-features	1m 33s
test ubuntu-latest 1.81	1m 35s
test windows-latest stable --no-default-features	6m 52s
test windows-latest stable	5m 34s
test windows-latest stable --all-features	7m 9s
test windows-latest nightly --no-default-features	6m 18s
test windows-latest nightly	6m 18s
test windows-latest nightly --all-features	7m 35s
test windows-latest 1.81 --no-default-features	3m 26s
test windows-latest 1.81	3m 20s
deny / cargo deny check	23s
ci success	1s
	1h 29m 14s

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