Upgrade node to latest

.github/workflows/build.yml

@@ -34,7 +34,7 @@ jobs:
       - uses: actions/checkout@v1
       - uses: actions/setup-node@v1
         with:
-          node-version: 12
+          node-version: 13
 
       - name: npm install dependencies
         run: |

.nvmrc

@@ -1 +1 @@
-v12.14.1
+v13.7.0

Dockerfile

@@ -1,6 +1,6 @@
 #####################################################
 ### Build UI bundles
-FROM node:12.14-alpine AS jsbuilder
+FROM node:13.7-alpine AS jsbuilder
 WORKDIR /src
 COPY ui/package.json ui/package-lock.json ./
 RUN npm ci

README.md

@@ -46,7 +46,7 @@ To change any configuration, create a file named `sonic.toml` in the project fol
 
 ### Development Environment
 
-You will need to install [Go 1.13](https://golang.org/dl/) and [Node 12.14.1](http://nodejs.org)
+You will need to install [Go 1.13](https://golang.org/dl/) and [Node 13.7](http://nodejs.org)
 
 Then install dependencies: