feat: add missing conversion for ExecutionPayloadFieldV2 #5734

Job	Run time
wasm-unknown	2m 46s
wasm-wasi	3m 56s
clippy	1m 32s
docs	1m 2s
doctest	2m 59s
feature-checks	8m 31s
fmt	11s
test ubuntu-latest stable --no-default-features	2m 32s
check no_std	57s
test ubuntu-latest stable	2m 43s
test ubuntu-latest stable --all-features	3m 13s
test ubuntu-latest nightly --no-default-features	1m 15s
test ubuntu-latest nightly	1m 20s
test ubuntu-latest nightly --all-features	1m 59s
test ubuntu-latest 1.81 --no-default-features	1m 32s
test ubuntu-latest 1.81	1m 37s
test windows-latest stable --no-default-features	7m 7s
test windows-latest stable	6m 26s
test windows-latest stable --all-features	7m 10s
test windows-latest nightly --no-default-features	5m 0s
test windows-latest nightly	3m 36s
test windows-latest nightly --all-features	5m 54s
test windows-latest 1.81 --no-default-features	3m 39s
test windows-latest 1.81	4m 5s
deny / cargo deny check	24s
ci success	1s
	1h 21m 27s

Provide feedback