[ci skip] fix OOM crashes: add resource limits for osrm-bicycle, aiostreams, listenarr, authentik

- osrm-bicycle: 1Gi limit (loads 403MB routing graph)
- aiostreams: 768Mi limit (loads 44K anime entries)
- listenarr: 1Gi limit (.NET + Playwright/Chromium)
- authentik server: 1Gi limit, worker: 1Gi limit (Django + gunicorn)
- servarr: pass nfs_server variable to all submodules

stacks/osm_routing/main.tf

@@ -124,6 +124,16 @@ resource "kubernetes_deployment" "osrm-bicycle" {
             name       = "osrm-data"
             mount_path = "/data"
           }
+          resources {
+            requests = {
+              cpu    = "15m"
+              memory = "512Mi"
+            }
+            limits = {
+              cpu    = "250m"
+              memory = "1Gi"
+            }
+          }
         }
         volume {
           name = "osrm-data"