feat(deps): update graph dependencies

| datasource | package                             | from    | to      |
| ---------- | ----------------------------------- | ------- | ------- |
| docker     | ghcr.io/graphprotocol/indexer-agent | v0.21.7 | v0.21.8 |

charts/graph-network-indexer/README.md

@@ -111,7 +111,7 @@ We do not recommend that you upgrade the application by overriding `image.tag`.
  | indexerAgent.config.ethereum-network | Name of the network that you have specified a node URL for in `ethereum` | string | `"mainnet"` |
  | indexerAgent.env |  | object | `{}` |
  | indexerAgent.extraArgs |  | list | `[]` |
- | indexerAgent.image | Image for indexer-agent | object | `{"pullPolicy":"IfNotPresent","repository":"ghcr.io/graphprotocol/indexer-agent","tag":"v0.21.7"}` |
+ | indexerAgent.image | Image for indexer-agent | object | `{"pullPolicy":"IfNotPresent","repository":"ghcr.io/graphprotocol/indexer-agent","tag":"v0.21.8"}` |
  | indexerAgent.nodeSelector |  | object | `{}` |
  | indexerAgent.podAnnotations | Annotations for the `Pod` | object | `{}` |
  | indexerAgent.podSecurityContext | Pod-wide security context | object | `{"fsGroup":101337,"runAsGroup":101337,"runAsNonRoot":true,"runAsUser":101337}` |

charts/graph-network-indexer/values.yaml

@@ -112,7 +112,7 @@ indexerAgent:
   image:
     repository: ghcr.io/graphprotocol/indexer-agent
     pullPolicy: IfNotPresent
-    tag: "v0.21.7"
+    tag: "v0.21.8"
 
   # -- Config to be supplied as CLI arguments, specified using YAML keys to allow overriding
   config: