[Bug] miner_setMaxDASize should return bool type #1173

Job	Run time
clippy	1m 15s
doctest	57s
cfg-check	54s
docs	1m 9s
feature-powerset	5m 3s
feature-checks	3m 23s
examples	1m 1s
fmt	12s
no-std	48s
test stable --no-default-features	1m 7s
wasm-unknown	1m 29s
wasm-wasi	1m 17s
test stable	1m 9s
test stable --all-features	1m 35s
test nightly --no-default-features	1m 38s
test nightly	1m 41s
test nightly --all-features	1m 45s
test 1.81 --no-default-features	45s
test 1.81	48s
	27m 56s

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