Fix Cloud Run probe ports and LB timeout_sec

- accounts: add ACCOUNTS_PORT=8080 env var (service defaults to 7753)
- api: add SERVER_PORT=8080 env var, change probe path to /actuator/health
- LB backends: remove timeout_sec (not supported for serverless NEG backends)

servers/gcp/load-balancer-backends.tf

@@ -57,8 +57,7 @@ resource "google_compute_backend_service" "accounts" {
   project               = var.project_id
   load_balancing_scheme = "EXTERNAL_MANAGED"
   protocol              = "HTTPS"
-  timeout_sec           = 30
-
+  # timeout_sec not supported for serverless NEG backends
   security_policy = google_compute_security_policy.marketing.self_link
 
   # No CDN for accounts — responses are user-specific and must not be cached
@@ -81,8 +80,7 @@ resource "google_compute_backend_service" "api" {
   project               = var.project_id
   load_balancing_scheme = "EXTERNAL_MANAGED"
   protocol              = "HTTPS"
-  timeout_sec           = 60  # API calls may be longer (AI inference routing)
-
+  # timeout_sec not supported for serverless NEG backends
   security_policy = google_compute_security_policy.marketing.self_link
 
   enable_cdn = false  # API responses are per-request; no CDN benefit