fix: pass meraki api key explicitly via provider block and TF_VAR

sites/BCN01-LAB/main.tf

@@ -9,7 +9,9 @@ terraform {
   }
 }
 
-provider "meraki" {}
+provider "meraki" {
+  meraki_dashboard_api_key = var.meraki_dashboard_api_key
+}
 
 locals {
   organization_name = "Adevinta Information Services SLU"

sites/BCN01-LAB/variables.tf

@@ -1,6 +1,12 @@
 # Sensitive variables — injected via TF_VAR_* environment variables (GitHub Secrets).
 # Never put values for these in any .tf file.
 
+variable "meraki_dashboard_api_key" {
+  type        = string
+  sensitive   = true
+  description = "Meraki Dashboard API key. Pass via TF_VAR_meraki_dashboard_api_key (GitHub Secret: MERAKI_DASHBOARD_API_KEY)."
+}
+
 variable "radius_secret" {
   type        = string
   sensitive   = true