chore: convert rcp-types-eth block Header to consensus Header #3130

Job	Run time
doctest	1m 54s
test ubuntu-latest stable --no-default-features	2m 22s
test ubuntu-latest stable	1m 50s
cfg-check	1m 19s
clippy	53s
test ubuntu-latest nightly --no-default-features	2m 51s
test ubuntu-latest nightly	3m 3s
docs	1m 58s
test ubuntu-latest 1.76 --no-default-features	1m 8s
feature-checks	3m 30s
test ubuntu-latest 1.76	1m 11s
fmt	16s
test windows-latest stable --no-default-features	4m 42s
no-std	34s
test windows-latest stable	6m 23s
wasm-unknown	55s
wasm-wasi	1m 14s
test windows-latest nightly --no-default-features	7m 47s
test windows-latest nightly	7m 21s
test windows-latest 1.76 --no-default-features	4m 5s
test windows-latest 1.76	4m 9s
	59m 25s

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