Bump Clap 3 -> 4 #1929

Job	Run time
Release build for Windows	5m 44s
Release build for Windows	5m 44s
Build static Linux binary	3m 24s
Build static Linux binary	3m 24s
Build ARM binary (arm64, aarch64-unknown-linux-musl, arm64v8/ubuntu, aarch64)	5m 5s
Build ARM binary (arm64, aarch64-unknown-linux-musl, arm64v8/ubuntu, aarch64)	5m 5s
Build ARM binary (arm32, armv7-unknown-linux-gnueabihf, arm32v7/ubuntu, armv7)	4m 59s
Build ARM binary (arm32, armv7-unknown-linux-gnueabihf, arm32v7/ubuntu, armv7)	4m 59s
Release build for macOS	5m 33s
Release build for macOS	5m 33s
clippy	1m 32s
clippy	1m 32s
fmt	6s
fmt	6s
unit_tests (ubuntu-latest)	1m 46s
unit_tests (ubuntu-latest)	1m 46s
unit_tests (macOS-latest)	3m 0s
unit_tests (macOS-latest)	3m 0s
unit_tests (windows-latest)	3m 40s
unit_tests (windows-latest)	4m 58s
e2e/linux	4m 35s
e2e/linux	4m 35s
bench/linux	40s
bench/linux	54s
Ensure command docs are up-to-date	48s
Ensure command docs are up-to-date	48s
e2e/macos	8m 53s
e2e/macos	8m 53s
e2e/windows	12m 28s
e2e/windows	11m 17s
	2h 4m 47s

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