Deps: update to rocksdb 0.23 #6192

Job	Run time
Check	22s
test (beta)	1m 30s
test (stable)	1m 24s
coverage	9m 53s
test (windows)	3m 24s
test (macos)	1m 15s
Lints (beta)	32s
Lints (stable)	26s
test_all_features	13m 0s
Publish (on tags, dry-run otherwise)	13m 6s
Run tests under wasm32-wasi	1m 12s
Check if wasm-pack builds a valid package for the sourmash crate	1m 19s
Check if cbindgen runs cleanly for generating the C headers	8m 15s
minimum_rust_version	1m 10s
	56m 48s

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