chore(deps): update rust crate clap to 4.5.49 #854

Job	Run time
codespell	10s
cargo fmt	15s
cargo doc	1m 39s
⚖️ Check third party licenses	4m 46s
Build release binaries	6m 17s
cargo shear (unused dependencies)	13s
tests as root	3m 48s
ubuntu / stable / coverage	3m 41s
Unit test for embedded downloader	27s
cargo clippy	2m 1s
Unit, docs and onhost integration tests	8m 18s
K8s integration tests (flux-self-update)	11m 8s
K8s integration tests (part2)	9m 41s
build-widows-binary	8m 50s
security / Rust audit scanner	2m 57s
K8s integration tests (part1)	12m 26s
k8s-e2e-tests / K8s e2e tests infra	11m 46s
k8s-e2e-tests / K8s e2e tests	4s
🟢 All required checks and tests pass	3s
	1h 28m 30s

Provide feedback