[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/servarr/aiostreams/main.tf

@@ -61,6 +61,16 @@ resource "kubernetes_deployment" "aiostreams" {
             name       = "data"
             mount_path = "/app/data"
           }
+          resources {
+            requests = {
+              cpu    = "50m"
+              memory = "256Mi"
+            }
+            limits = {
+              cpu    = "500m"
+              memory = "768Mi"
+            }
+          }
         }
         volume {
           name = "data"