fix: add debug ns to nethermind (ethereum#732)

Author: barnabasbusa

src/el/nethermind/nethermind_launcher.star

@@ -191,7 +191,7 @@ def get_config(
         "--datadir=" + EXECUTION_DATA_DIRPATH_ON_CLIENT_CONTAINER,
         "--Init.WebSocketsEnabled=true",
         "--JsonRpc.Enabled=true",
-        "--JsonRpc.EnabledModules=net,eth,consensus,subscribe,web3,admin",
+        "--JsonRpc.EnabledModules=net,eth,consensus,subscribe,web3,admin,debug",
         "--JsonRpc.Host=0.0.0.0",
         "--JsonRpc.Port={0}".format(RPC_PORT_NUM),
         "--JsonRpc.WebSocketsPort={0}".format(WS_PORT_NUM),