Correct tag, based on CircleCI docs

jmgasper · jmgasper · commit d4518a0159de · 2018-05-31T14:20:35.000+10:00
diff --git a/.circleci/circle.yml b/.circleci/circle.yml
@@ -2,7 +2,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: circleci/node:8.9.4
+      - image: circleci/node:8.11-browsers
     working_directory: ~/repo
     steps:
       - checkout
