aes: fix min version of `zeroize` and build warnings on AArch64 (#562) #1014

Job	Run time
test (1.85.0)	19s
build (1.85.0, thumbv7em-none-eabi)	14s
build (1.85.0, wasm32-unknown-unknown)	16s
minimal-versions / minimal-versions	19s
test (stable)	14s
build (stable, wasm32-unknown-unknown)	14s
build (stable, thumbv7em-none-eabi)	8s
	1m 44s

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