Conflicting default RPC ports

[EthanBlockson]

In default config docker-compose.yml default execution ports are 8545 and 8546 and 30303.

    ports:
      - "8545:8545"       # RPC
      - "8546:8546"       # websocket
      - "7301:6060"       # metrics
      - "30303:30303"     # P2P TCP
      - "30303:30303/udp" # P2P UDP

Its very puzzling because this exact ports are used by default for L1 nodes already running on server. E.g. Nethermind RPC.

Its hard to understand at first glance that this will be a ports that will be used by Base L2 RPC.

I propose to consider to change this ports to some usually free ones.