Update Node.js to v12.14.0 (#301)

renovate[bot] · ardatan · commit 691e91b81f33 · 2019-12-23T12:58:53.000-05:00
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: circleci/node:12.13.1
+      - image: circleci/node:12.14.0
     steps:
       - checkout
       - restore_cache:
