Add default node type for reth #262

Job	Run time
geth (linux/amd64, ubuntu-24.04)	3m 20s
reth (linux/amd64, ubuntu-24.04, jemalloc,asm-keccak,optimism)	25m 47s
geth (linux/arm64, ubuntu-24.04-arm)	3m 28s
nethermind (linux/amd64, ubuntu-24.04)	2m 47s
reth (linux/arm64, ubuntu-24.04-arm, jemalloc,optimism)	28m 14s
nethermind (linux/arm64, ubuntu-24.04-arm)	2m 35s
	1h 6m 11s

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