feat(deps): update graph dependencies

| datasource | package                               | from            | to      |
| ---------- | ------------------------------------- | --------------- | ------- |
| docker     | ghcr.io/graphprotocol/indexer-service | v0.20.5-alpha.1 | v0.21.4 |
| docker     | graphprotocol/graph-node              | v0.0.0          | v0.35.1 |

Author: renovate-41e06b0f[bot]

charts/graph-network-indexer/Chart.yaml

@@ -22,4 +22,4 @@ version: 0.1.2
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
 # renovate: image=ghcr.io/graphprotocol/indexer-service
-appVersion: "v0.20.5-alpha.1"
+appVersion: "v0.21.4"

charts/graph-node/values.yaml

@@ -10,7 +10,7 @@ image:
   pullPolicy: IfNotPresent
   # -- Overrides the image tag
   # @default -- Chart.appVersion
-  tag: "v0.0.0"
+  tag: "v0.35.1"
 
 # -- Pull secrets required to fetch the Image
 imagePullSecrets: []