attempt to fix Gitter notifications from Travis-CI [ci skip]

for `mochajs/contributors` room

Signed-off-by: Christopher Hiller <boneskull@boneskull.com>

Author: boneskull

.travis.yml

@@ -42,7 +42,7 @@ notifications:
     # for gitter mochajs/mocha
     - secure: fUrHenYJs+pTuLtgBRoYyrlyfVekxaIGmLWq7bhUUqBj/7p5eCkQFn13LlPht0/4WWZOiPBcdTN7tKnz3Ho7ATUJhAchvOWDUgL5gtTvOzeCHbPuCvHz/VLK6hMoPdbLA45M864NDLotfHvyh62WgQaVw9iPc80eb+umaDPrYiU=
     # for gitter mochajs/contributors
-    - secure: QQ7hvFqok0kypXLSjfVLsYDpLSFMPKblUsTupLSV6aK//COZ6XnyxIa/CWvnjlbap9bIAs5azHOeS6pe+KQJr2w0K8HUqbUDX1KofaMZmK8JuD1qK1kLjV8LB+5OhHQGs1r8KvGgUf1vYGITdwOvYqE2lr10EbrkmFo7kOSLvpA=
+    - secure: rGMGYWBaZgEa9i997jJHKzjI8WxECqLi6BqsMhvstDq9EeTeXkZFVfz4r6G3Xugsk3tFwb/pDpiYo1OK36kA5arUJTCia51u4Wn+c7lHKcpef/vXztoyucvw6/jXdVm/FQz1jztYYbqdyAOWC2BV8gYvg5F8TpK05UGCe5R0bRA=
   on_success: change
   on_failure: always