message: docs: Update graph-node to 0.26.0
diff: @@ -10,7 +10,7 @@ For mainnet:
  | indexer-agent | [0.18.6](https://github.com/graphprotocol/indexer/releases/tag/v0.18.6) |
  | indexer-cli | [0.18.6](https://github.com/graphprotocol/indexer/releases/tag/v0.18.6) |
  | indexer-service | [0.18.6](https://github.com/graphprotocol/indexer/releases/tag/v0.18.6) |
  -| graph-node | [0.25.2](https://github.com/graphprotocol/graph-node/releases/tag/v0.25.2) |
  +| graph-node | [0.26.0](https://github.com/graphprotocol/graph-node/releases/tag/v0.26.0) |
  For testnet:
  @@ -20,7 +20,7 @@ For testnet:
  | indexer-agent | [0.19.0](https://github.com/graphprotocol/indexer/releases/tag/v0.19.0) |
  | indexer-cli | [0.19.0](https://github.com/graphprotocol/indexer/releases/tag/v0.19.0) |
  | indexer-service | [0.19.0](https://github.com/graphprotocol/indexer/releases/tag/v0.19.0) |
  -| graph-node | [0.25.2](https://github.com/graphprotocol/graph-node/releases/tag/v0.25.2) |
  +| graph-node | [0.26.0](https://github.com/graphprotocol/graph-node/releases/tag/v0.26.0) |
  ## Mainnet (https://network.thegraph.com)
  