chore(deps): update terraform helm to v3

Author: renovate[bot]

manifests/.workshop/terraform/base.tf

@@ -12,7 +12,7 @@ terraform {
     }
     helm = {
       source  = "hashicorp/helm"
-      version = "2.17.0"
+      version = "3.0.2"
     }
     kubectl = {
       source  = "gavinbunney/kubectl"