ci(config.yml): use latest node version

Author: arturbien

.circleci/config.yml

@@ -2,7 +2,7 @@ version: 2
 jobs:
   install:
     docker:
-      - image: 'circleci/node:8'
+      - image: 'circleci/node:latest'
     working_directory: ~/repo
     steps:
       - checkout
@@ -23,7 +23,7 @@ jobs:
             - node_modules
   test:
     docker:
-      - image: 'circleci/node:8'
+      - image: 'circleci/node:latest'
     working_directory: ~/repo
     steps:
       - checkout
@@ -34,7 +34,7 @@ jobs:
           command: npm run test
   build-library:
     docker:
-      - image: 'circleci/node:8'
+      - image: 'circleci/node:latest'
     working_directory: ~/repo
     steps:
       - checkout
@@ -49,7 +49,7 @@ jobs:
             - dist
   build-storybook:
     docker:
-      - image: 'circleci/node:8'
+      - image: 'circleci/node:latest'
     working_directory: ~/repo
     steps:
       - checkout
@@ -64,7 +64,7 @@ jobs:
             - docs
   deploy:
     docker:
-      - image: 'circleci/node:8'
+      - image: 'circleci/node:latest'
     working_directory: ~/repo
     steps:
       - checkout