ci(deps): update ethereum dependencies (#1920)

| datasource | package | from            | to     |
| ---------- | ------- | --------------- | ------ |
| helm       | erigon  | 0.12.6-canary.1 | 0.12.6 |
| helm       | nimbus  | 0.6.11-canary.1 | 0.6.11 |

Co-authored-by: graphops-renovate[bot] <135047802+graphops-renovate[bot]@users.noreply.github.com>

Author: graphops-renovate[bot]

ethereum/helmfile.yaml

@@ -170,7 +170,7 @@ templates:
     version: {{ .Values | get "erigon" | get "chartVersion" }}
     {{- end }}
     {{- if (not (or ( .Values | get "erigon" dict | get "chartVersion" false ) ( .Values | get "erigon" dict | get "chartUrl" false ) )) }}
-    version: "0.12.6-canary.1"
+    version: "0.12.6"
     {{- end }}
 
   nimbus:
@@ -185,7 +185,7 @@ templates:
     version: {{ .Values | get "nimbus" | get "chartVersion" }}
     {{- end }}
     {{- if (not (or ( .Values | get "nimbus" dict | get "chartVersion" false ) ( .Values | get "nimbus" dict | get "chartUrl" false ) )) }}
-    version: "0.6.11-canary.1"
+    version: "0.6.11"
     {{- end }}
 
   lighthouse:

src/schemas/ethereum.cue

@@ -128,7 +128,7 @@ package LaunchpadNamespaces
 					"app.launchpad.graphops.xyz/component":    "{{ $canonicalRelease }}"
 					"app.launchpad.graphops.xyz/scalingIndex": "{{ $deploymentIndex }}"
 				}
-				_template: {version: "0.12.6-canary.1"}
+				_template: {version: "0.12.6"}
 			}
 
 			nimbus: {
@@ -140,7 +140,7 @@ package LaunchpadNamespaces
 					"app.launchpad.graphops.xyz/scalingIndex": "{{ $deploymentIndex }}"
 				}
 				feature: #features.#nimbus
-				_template: {version: "0.6.11-canary.1"}
+				_template: {version: "0.6.11"}
 			}
 
 			lighthouse: {