CircleCI Node v12 image

Author: dmt0

.circleci/config.yml

@@ -3,7 +3,7 @@ version: 2.0
 jobs:
   build:
     docker:
-      - image: circleci/node:10.9.0
+      - image: circleci/node:12.18.3
     working_directory: ~/react-plotly.js
     steps:
       - checkout
@@ -32,7 +32,7 @@ jobs:
 
   test:
     docker:
-      - image: circleci/node:10.9.0
+      - image: circleci/node:12.18.3
     working_directory: ~/react-plotly.js
     steps:
       - checkout