Add tests for `TryFrom<&Box>` and `...&Vec>` for `Array` #434

Job	Run time
clippy	23s
coverage	28s
doc	14s
miri (s390x-unknown-linux-gnu)	1m 8s
test (1.85.0)	53s
rustfmt	7s
careful	59s
build (1.85.0, thumbv7em-none-eabi)	1m 19s
build (stable, armv7a-none-eabi)	1m 15s
test (stable)	48s
build (1.85.0, wasm32-unknown-unknown)	1m 21s
miri (x86_64-unknown-linux-gnu)	53s
build (stable, wasm32-unknown-unknown)	1m 10s
build (stable, thumbv7em-none-eabi)	1m 12s
build (1.85.0, armv7a-none-eabi)	1m 21s
	13m 31s

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