message: Update networks.md
  Update to v0.23.1
diff: @@ -10,7 +10,7 @@ For mainnet:
  | indexer-agent | [0.16.0](https://github.com/graphprotocol/indexer/releases/tag/v0.16.0) |
  | indexer-cli | [0.16.0](https://github.com/graphprotocol/indexer/releases/tag/v0.16.0) |
  | indexer-service | [0.16.0](https://github.com/graphprotocol/indexer/releases/tag/v0.16.0) |
  -| graph-node | [0.22.0](https://github.com/graphprotocol/graph-node/releases/tag/v0.22.0) |
  +| graph-node | [0.23.1](https://github.com/graphprotocol/graph-node/releases/tag/v0.23.1) |
  For testnet:
  @@ -20,7 +20,7 @@ For testnet:
  | indexer-agent | [0.16.0](https://github.com/graphprotocol/indexer/releases/tag/v0.16.0) |
  | indexer-cli | [0.16.0](https://github.com/graphprotocol/indexer/releases/tag/v0.16.0) |
  | indexer-service | [0.16.0](https://github.com/graphprotocol/indexer/releases/tag/v0.16.0) |
  -| graph-node | [0.22.0](https://github.com/graphprotocol/graph-node/releases/tag/v0.22.0) |
  +| graph-node | [0.23.1](https://github.com/graphprotocol/graph-node/releases/tag/v0.23.1) |
  ## Mainnet (https://network.thegraph.com)
  