fix: update EMPTY_REQUESTS_HASH #30

Job	Run time
check no_std	56s
clippy	59s
docs	2m 0s
cfg-check	1m 21s
doctest	4m 8s
feature-checks	8m 59s
fmt	12s
test ubuntu-latest stable --no-default-features	2m 45s
wasm-unknown	2m 46s
test ubuntu-latest stable	2m 37s
wasm-wasi	4m 25s
test ubuntu-latest stable --all-features	3m 0s
test ubuntu-latest nightly --no-default-features	2m 33s
test ubuntu-latest nightly	2m 25s
test ubuntu-latest nightly --all-features	2m 56s
test ubuntu-latest 1.79 --no-default-features	25s
test ubuntu-latest 1.79	29s
test windows-latest stable --no-default-features	5m 11s
test windows-latest stable	5m 24s
test windows-latest stable --all-features	7m 8s
test windows-latest nightly --no-default-features	5m 22s
test windows-latest nightly	6m 13s
test windows-latest nightly --all-features	5m 29s
test windows-latest 1.79 --no-default-features	2m 42s
test windows-latest 1.79	1m 27s
	1h 21m 52s

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