chore(consensus): blanket impl of `Transaction` for deref #4305

Job	Run time
check no_std	19s
docs	1m 0s
cfg-check	46s
clippy	25s
doctest	25s
feature-checks	15s
fmt	10s
test ubuntu-latest stable --no-default-features	36s
wasm-unknown	28s
wasm-wasi	18s
test ubuntu-latest stable	35s
test ubuntu-latest stable --all-features	52s
test ubuntu-latest nightly --no-default-features	58s
test ubuntu-latest nightly	1m 2s
test ubuntu-latest nightly --all-features	1m 5s
test ubuntu-latest 1.79 --no-default-features	40s
test ubuntu-latest 1.79	43s
test windows-latest stable --no-default-features	2m 52s
test windows-latest stable	2m 40s
test windows-latest stable --all-features	3m 27s
test windows-latest nightly --no-default-features	2m 30s
test windows-latest nightly	2m 42s
test windows-latest nightly --all-features	4m 16s
test windows-latest 1.79 --no-default-features	2m 0s
test windows-latest 1.79	2m 12s
	33m 16s

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