dependency_updater: remove redundant string casts in updater CLI args… #219

Job	Run time
reth (linux/arm64, ubuntu-24.04-arm, jemalloc,optimism)	23m 28s
reth (linux/amd64, ubuntu-24.04, jemalloc,asm-keccak,optimism)	28m 16s
nethermind (linux/amd64, ubuntu-24.04)	3m 16s
geth (linux/amd64, ubuntu-24.04)	4m 6s
nethermind (linux/arm64, ubuntu-24.04-arm)	2m 56s
geth (linux/arm64, ubuntu-24.04-arm)	3m 9s
merge-nethermind	25s
merge-geth	41s
merge-reth	21s
	1h 6m 38s

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