Bump rkyv from 0.7.44 to 0.8.10 #6346

Job	Run time
Check	27s
test (beta)	44s
test (stable)	44s
test_all_features	8m 31s
test (windows)	3m 3s
test (macos)	1m 56s
Check if cbindgen runs cleanly for generating the C headers	5m 33s
coverage	6m 38s
Lints (beta)	31s
minimum_rust_version	31s
Lints (stable)	26s
Publish (on tags, dry-run otherwise)	12m 44s
Check if wasm-pack builds a valid package for the sourmash crate	59s
	42m 47s

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