fix(alloy-sol-macro): allow clippy::pub_underscore_fields on `sol!` o… #2080

Job	Run time
check no_std	42s
clippy	1m 13s
features stable	2m 32s
docs	53s
features stable --all-targets	3m 46s
fmt	17s
features nightly	2m 35s
miri --no-default-features	5m 9s
features nightly --all-targets	3m 29s
miri	5m 15s
wasm	34s
test ubuntu-latest stable --no-default-features	1m 16s
miri --all-features	6m 55s
test ubuntu-latest stable	1m 12s
test ubuntu-latest nightly --no-default-features	1m 18s
test ubuntu-latest nightly	1m 20s
test ubuntu-latest 1.79 --no-default-features	33s
test ubuntu-latest 1.79	36s
test windows-latest stable --no-default-features	3m 20s
test windows-latest stable	3m 21s
test windows-latest nightly --no-default-features	2m 54s
test windows-latest nightly	2m 57s
test windows-latest 1.79 --no-default-features	1m 31s
test windows-latest 1.79	1m 25s
test ubuntu-latest 1.79 --features json	37s
test windows-latest 1.79 --features json	2m 18s
test ubuntu-latest nightly --all-features	1m 26s
test windows-latest nightly --all-features	3m 11s
	1h 2m 35s

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