CI syntax fix #95

Job	Run time
no-std check (thumbv7em-none-eabihf)	43s
cargo-deny	38s
test (macos-latest, 1.96.0)	3m 1s
cargo package	26s
fuzz (pk_from_bytes)	1m 54s
test (ubuntu-latest, stable)	2m 12s
fuzz (derive_key_pair)	2m 9s
fuzz (open)	1m 59s
test (ubuntu-latest, 1.96.0)	2m 37s
test (windows-latest, 1.96.0)	5m 1s
test (ubuntu-latest, beta)	2m 3s
fuzz (key_schedule)	2m 5s
fuzz (enc_from_bytes)	1m 56s
cargo doc	27s
	27m 11s

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