security: add curl timeouts to prevent script hanging #449

Job	Run time
geth (linux/amd64, ubuntu-24.04)	3m 44s
reth (linux/arm64, ubuntu-24.04-arm, jemalloc,optimism)	22m 56s
reth (linux/amd64, ubuntu-24.04, jemalloc,asm-keccak,optimism)	27m 23s
geth (linux/arm64, ubuntu-24.04-arm)	3m 18s
nethermind (linux/arm64, ubuntu-24.04-arm)	2m 30s
nethermind (linux/amd64, ubuntu-24.04)	3m 1s
	1h 2m 52s

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