chore(deps): update dependency rxjs to v5.5.10

Author: renovate-bot

packages/apollo-client/package.json

@@ -77,7 +77,7 @@
     "lint-staged": "6.1.0",
     "lodash": "4.17.10",
     "rollup": "0.58.2",
-    "rxjs": "5.5.8",
+    "rxjs": "5.5.10",
     "ts-jest": "20.0.14",
     "tslint": "5.9.1",
     "typescript": "2.4.2",