Generate jwt secret

app/data/config/mainnet-eth/scripts/run-geth.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 if [[ -n "$CERC_SCRIPT_DEBUG" ]]; then
     set -x
 fi

app/data/config/mainnet-eth/scripts/run-lighthouse.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 if [[ -n "$CERC_SCRIPT_DEBUG" ]]; then
     set -x
 fi

app/data/stacks/mainnet-eth/deploy/commands.py

@@ -25,7 +25,7 @@ def setup(ctx):
 
 def create(ctx):
     # Generate the JWT secret and save to its config file
-    secret = token_hex(16)
+    secret = token_hex(32)
     jwt_file_path = ctx.deployment_dir.joinpath("data", "mainnet_eth_config_data", "jwtsecret")
     with open(jwt_file_path, 'w+') as jwt_file:
         jwt_file.write(secret)