Update Rust crate clap to v4.5.20 #1147

Job	Run time
Build documentation (ubuntu-latest)	59s
Build and test core crates (ubuntu-latest, 1.75)	1m 41s
Build and test (all features) (ubuntu-latest, 1.75)	34s
Build and test core crates (ubuntu-latest, stable)	1m 51s
Lint	24s
Build and test (all features) (ubuntu-latest, stable)	36s
Build and test core crates (macos-14, 1.75)	1m 41s
Build and test (all features) (macos-14, 1.75)	47s
Build and test core crates (macos-14, stable)	1m 59s
Build and test (all features) (macos-14, stable)	47s
cargo-compare extended tests (ubuntu-latest)	23s
Build and test core crates (windows-latest, 1.75)	4m 15s
Build and test (all features) (windows-latest, 1.75)	1m 57s
cargo-compare extended tests (macos-14)	38s
Build and test core crates (windows-latest, stable)	5m 52s
Build and test (all features) (windows-latest, stable)	1m 54s
Cross-compile to aarch64	47s
	27m 5s

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