Increase binderhub replicas to 2

Author: yuvipanda

config/hetzner-2i2c.yaml

@@ -52,7 +52,7 @@ binderhub:
     # DockerRegistry:
     # token_url: "https://2lmrrh8f.gra7.container-registry.ovh.net/service/token?service=harbor-registry"
 
-  replicas: 1
+  replicas: 2
 
   extraVolumes:
     - name: secrets