Bump janus version (#1)

* Bump janus version to 0.10.9

Relevant change is disabling NACK buffer cleanup on outgoing keyframe by default [meetecho/janus-gateway/pull/2402], this may reduce the impact of packet loss and the frequency of grey frames.

* Bump libnice to 0.1.18

The relevant change is they use sendmmsg if possible to send multiple packets in one call, which should be more efficient.

ansible/roles/janus-ftl-plugin/defaults/main.yml

@@ -1,8 +1,8 @@
 ---
 
-libnice_version: "0.1.17"
+libnice_version: "0.1.18"
 libsrtp_version: "v2.3.0"
-janusgateway_version: "v0.10.4"
+janusgateway_version: "v0.10.9"
 janus_ftl_plugin_version: "master"
 
 glimesh_client_id: some_key