upgrade to ioredis 3 via redis-sharelatex

services/track-changes/package.json

@@ -21,7 +21,7 @@
     "mongo-uri": "^0.1.2",
     "mongojs": "2.4.0",
     "redis": "~0.10.1",
-    "redis-sharelatex": "git+https://github.com/sharelatex/redis-sharelatex.git#v1.0.2",
+    "redis-sharelatex": "git+https://github.com/sharelatex/redis-sharelatex.git#v1.0.4",
     "request": "~2.33.0",
     "requestretry": "^1.12.0",
     "s3-streams": "^0.3.0",