[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/platform/modules/authentik/values.yaml

@@ -17,6 +17,13 @@ authentik:
 
 server:
   replicas: 3
+  resources:
+    requests:
+      cpu: 100m
+      memory: 256Mi
+    limits:
+      cpu: "2"
+      memory: 1Gi
   ingress:
     enabled: false
     # hosts:
@@ -29,3 +36,10 @@ global:
 
 worker:
   replicas: 3
+  resources:
+    requests:
+      cpu: 50m
+      memory: 256Mi
+    limits:
+      cpu: "1"
+      memory: 1Gi