Node exporter dashboards (#43)

* Added dashboards for node exporter
* Drop use cluster and node
* Add nodename to ne metrics
* Add account ID and region

Co-authored-by: Venkataraman <vikrvenk@88665a367666.ant.amazon.com>
Co-authored-by: Rodrigue Koffi <bonclay7@users.noreply.github.com>

modules/workloads/infra/main.tf

@@ -41,7 +41,7 @@ module "helm_addon" {
     {
       name        = local.name
       chart       = "${path.module}/otel-config"
-      version     = "0.3.0"
+      version     = "0.3.1"
       namespace   = local.namespace
       description = "ADOT helm Chart deployment configuration"
     },
@@ -69,6 +69,10 @@ module "helm_addon" {
       name  = "globalScrapeTimeout"
       value = var.prometheus_config.global_scrape_timeout
     },
+    {
+      name  = "accountId"
+      value = local.context.aws_caller_identity_account_id
+    },
   ]
 
   irsa_config = {