Bump thiserror from 2.0.8 to 2.0.9 #6180

Job	Run time
Check	22s
test_all_features	12m 43s
Check if cbindgen runs cleanly for generating the C headers	8m 14s
Lints (beta)	33s
Lints (stable)	33s
minimum_rust_version	6m 42s
coverage	9m 0s
Publish (on tags, dry-run otherwise)	8m 12s
test (beta)	1m 27s
test (stable)	1m 20s
Run tests under wasm32-wasi	1m 11s
Check if wasm-pack builds a valid package for the sourmash crate	1m 21s
test (windows)	4m 16s
test (macos)	1m 12s
	57m 6s

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