authentik: raise server cpu request to 500m (#526)

authentik-server requests only 50m CPU, so on busy nodes it is starved, `/-/health/live/` exceeds the 3s liveness timeout and kubelet restarts it (~100 restarts per pod).

- raise `server.resources.requests.cpu` from 50m to 500m

Reviewed-on: #526
Co-authored-by: unkin-agent <unkin-agent@unkin.net>
Co-committed-by: unkin-agent <unkin-agent@unkin.net>

apps/overlays/au-syd1/authentik/values.yaml

@@ -88,7 +88,7 @@ server:
       cpu: "2"
       memory: 2Gi
     requests:
-      cpu: 50m
+      cpu: 500m
       memory: 512Mi
 
 worker: