feat: Update GKE Node pool ressources

manifests/gke/main.tf

@@ -202,8 +202,8 @@ resource "google_container_node_pool" "node_pool" {
 
   node_config {
     preemptible  = true
-    machine_type = "e2-micro"
-    disk_size_gb = "10"
+    machine_type = "e2-custom-6-6144"
+    disk_size_gb = "50"
     disk_type    = "pd-ssd"
     image_type   = "cos"
     oauth_scopes = [