chore: Updates Node v10 to v12 (LLC-22) (#262)

Author: paul-stoner

.circleci/config.yml

@@ -6,7 +6,7 @@ machine:
 jobs:
   build:
     docker:
-      - image: node:10
+      - image: node:12
         auth:
           username: $DOCKERHUB_USERNAME
           password: $DOCKERHUB_PASSWORD