Update init-bedrock.sh

[chetanbothra]

Fixing endpoint with https://datadirs.optimism.io/op-mainnet-pre-bedrockstate.zst
updating command for zsh

[Chomtana]

Good flag

I think it should be https://datadirs.optimism.io/latest rather than https://datadirs.optimism.io/op-mainnet-pre-bedrockstate.zst?

[chetanbothra]

@Chomtana Updated PR

[Chomtana]

Have you tested it? It does seem have error on aria2c

simple-optimism-node-bedrock-init-1  | Bedrock node needs to be initialized...
simple-optimism-node-bedrock-init-1  | Initializing via download...
simple-optimism-node-bedrock-init-1  | Fetching download link...
simple-optimism-node-bedrock-init-1  | Downloading snapshot...
simple-optimism-node-bedrock-init-1  | Specify at least one URL.
simple-optimism-node-bedrock-init-1  | Usage: aria2c [OPTIONS] [URI | MAGNET | TORRENT_FILE | METALINK_FILE]...
simple-optimism-node-bedrock-init-1  | See 'aria2c -h'