chore(deps): update obolnetwork/charon docker tag to v1.8.0

Author: renovate[bot]

charts/dv-pod/values.yaml

@@ -318,7 +318,7 @@ centralMonitoring:
 image:
   repository: obolnetwork/charon
   pullPolicy: IfNotPresent
-  tag: v1.7.1
+  tag: v1.8.0
 
 # -- Credentials to fetch images from private registry
 ## ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/