message: docs: update indexer for mainnet and testnet to 0.18.6
diff: @@ -7,9 +7,9 @@ For mainnet:
  | Component | Release |
  | --------------- | -------------------------------------------------------------------------- |
  | contracts | [1.2.0](https://github.com/graphprotocol/contracts/releases/tag/v1.2.0) |
  -| indexer-agent | [0.17.0](https://github.com/graphprotocol/indexer/releases/tag/v0.17.0) |
  -| indexer-cli | [0.17.0](https://github.com/graphprotocol/indexer/releases/tag/v0.17.0) |
  -| indexer-service | [0.17.0](https://github.com/graphprotocol/indexer/releases/tag/v0.17.0) |
  +| 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 | [0.25.0](https://github.com/graphprotocol/graph-node/releases/tag/v0.25.0) |
  For testnet:
  @@ -17,9 +17,9 @@ For testnet:
  | Component | Release |
  | --------------- | -------------------------------------------------------------------------- |
  | contracts | [1.2.0](https://github.com/graphprotocol/contracts/releases/tag/v1.2.0) |
  -| 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) |
  +| 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 | [0.25.0](https://github.com/graphprotocol/graph-node/releases/tag/v0.25.0) |
  ## Mainnet (https://network.thegraph.com)
  