Set hibernate after for receiver tls

To help reduce memory for inactive devices

config/runtime.exs

@@ -123,7 +123,8 @@ if config_env() == :prod do
             fail_if_no_peer_cert: true,
             keyfile: keyfile,
             certfile: certfile,
-            cacertfile: CAStore.file_path()
+            cacertfile: CAStore.file_path(),
+            receiver_spawn_opts: [hibernate_after: 15_000]
           ]
         ]
       ]