update versions

variables.tf

@@ -54,14 +54,14 @@ variable "rwo_storage_class" {
 variable "loki_chart_version" {
   description = "Which version of the grafana/loki helm chart to use."
   type        = string
-  default     = "6.6.5"
+  default     = "6.10.2"
 }
 
 # The [APP VERSION] associated with the helm chart.
 variable "loki_tag" {
   description = "The tag of the loki image to use."
   type        = string
-  default     = "3.0.0"
+  default     = "3.1.1"
 }
 
 variable "canary_tag" {
@@ -91,7 +91,7 @@ variable "memcached_tag" {
 variable "exporter_tag" {
   description = "The version of prom/memcached-exporter to use for the gateway."
   type        = string
-  default     = "v0.14.2"
+  default     = "v0.14.4"
 }
 
 variable "sidecar_tag" {