ci(CircleCI): Use newer image for newer node

thewtex · thewtex · commit bb29d0d3e19b · 2019-06-21T15:55:00.000-04:00
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -7,7 +7,9 @@ ignore-ghpages: &ignore-ghpages
 version: 2
 jobs:
   build-test-deploy:
-    machine: true
+    machine:
+      image: ubuntu-1604:201903-01
+      docker_layer_caching: true
     steps:
       - checkout
       - run:
