tls_codec: bump `clap` to v4.5 #2678

Job	Run time
build (1.81.0, thumbv7em-none-eabi)	19s
test (1.81.0)	46s
build (1.81.0, wasm32-unknown-unknown)	23s
test (stable)	33s
build (stable, thumbv7em-none-eabi)	14s
build (stable, wasm32-unknown-unknown)	17s
minimal-versions / minimal-versions	34s
	3m 6s

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