Bump shlex from 1.1.0 to 1.3.0 #4283

Job	Run time
Check	18s
Check if cbindgen runs cleanly for generating the C headers	6m 17s
coverage	9m 16s
minimum_rust_version	8m 22s
Lints (beta)	31s
Publish (dry-run)	5m 52s
Lints (stable)	24s
test_all_features	10m 29s
test (beta)	1m 22s
Run tests under wasm32-wasi	1m 17s
test (stable)	1m 17s
Check if wasm-pack builds a valid package for the sourmash crate	1m 14s
test (windows)	3m 38s
test (macos)	4m 2s
	54m 19s

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