Update CircleCI version to Node 10

This is required for Lighthouse

Author: luwes

.circleci/config.yml

@@ -14,7 +14,7 @@ jobs:
 
       - run: |
           source $NVM_DIR/nvm.sh
-          nvm install v8.9.1
+          nvm install v10.16.0
 
           npm install
           npm start &